79951480 has 128 divisors (see below), whose sum is σ = 217128960. Its totient is φ = 25920000.

The previous prime is 79951471. The next prime is 79951481. The reversal of 79951480 is 8415997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79951481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 529405 + ... + 529555.

It is an arithmetic number, because the mean of its divisors is an integer number (1696320).

Almost surely, 2^79951480 is an apocalyptic number.

79951480 is a gapful number since it is divisible by the number (70) 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 79951480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108564480).

79951480 is an abundant number, since it is smaller than the sum of its proper divisors (137177480).

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

79951480 is a wasteful number, since it uses less digits than its factorization.

79951480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 79951480 is about 8941.5591481576. The cubic root of 79951480 is about 430.7998094135.

The spelling of 79951480 in words is "seventy-nine million, nine hundred fifty-one thousand, four hundred eighty".