79283323980 has 864 divisors, whose sum is σ = 314713631232. Its totient is φ = 16024780800.

The previous prime is 79283323979. The next prime is 79283324039. The reversal of 79283323980 is 8932338297.

It is a super-2 number, since 2×79283323980² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 171980950 + ... + 171981410.

It is an arithmetic number, because the mean of its divisors is an integer number (364251888).

Almost surely, 2^79283323980 is an apocalyptic number.

79283323980 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 79283323980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157356815616).

79283323980 is an abundant number, since it is smaller than the sum of its proper divisors (235430307252).

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

79283323980 is a wasteful number, since it uses less digits than its factorization.

79283323980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 79283323980 in words is "seventy-nine billion, two hundred eighty-three million, three hundred twenty-three thousand, nine hundred eighty".