1715797980 has 144 divisors (see below), whose sum is σ = 5724561024. Its totient is φ = 413337600.

The previous prime is 1715797973. The next prime is 1715797987. The reversal of 1715797980 is 897975171.

It is an interprime number because it is at equal distance from previous prime (1715797973) and next prime (1715797987).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1715797987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102180 + ... + 117780.

It is an arithmetic number, because the mean of its divisors is an integer number (39753896).

Almost surely, 2^1715797980 is an apocalyptic number.

1715797980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1715797980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2862280512).

1715797980 is an abundant number, since it is smaller than the sum of its proper divisors (4008763044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1715797980 is a wasteful number, since it uses less digits than its factorization.

1715797980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15676 (or 15671 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 54.

The square root of 1715797980 is about 41422.1918782674. The cubic root of 1715797980 is about 1197.1687837655.

The spelling of 1715797980 in words is "one billion, seven hundred fifteen million, seven hundred ninety-seven thousand, nine hundred eighty".