79895039400 has 576 divisors, whose sum is σ = 313247450880. Its totient is φ = 18033868800.

The previous prime is 79895039359. The next prime is 79895039423. The reversal of 79895039400 is 493059897.

79895039400 is a `hidden beast` number, since 7 + 98 + 9 + 503 + 9 + 40 + 0 = 666.

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 143 ways as a sum of consecutive naturals, for example, 32648977 + ... + 32651423.

It is an arithmetic number, because the mean of its divisors is an integer number (543832380).

Almost surely, 2^79895039400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79895039400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156623725440).

79895039400 is an abundant number, since it is smaller than the sum of its proper divisors (233352411480).

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

79895039400 is a wasteful number, since it uses less digits than its factorization.

79895039400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594 (or 2582 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 79895039400 in words is "seventy-nine billion, eight hundred ninety-five million, thirty-nine thousand, four hundred".