79657440474000 has 320 divisors, whose sum is σ = 269056719839232. Its totient is φ = 20249938368000.

The previous prime is 79657440473981. The next prime is 79657440474019. The reversal of 79657440474000 is 47404475697.

It is an interprime number because it is at equal distance from previous prime (79657440473981) and next prime (79657440474019).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9265987 + ... + 15658013.

Almost surely, 2^{79657440474000} 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 79657440474000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134528359919616).

79657440474000 is an abundant number, since it is smaller than the sum of its proper divisors (189399279365232).

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

79657440474000 is a wasteful number, since it uses less digits than its factorization.

79657440474000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392151 (or 6392135 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 57.

The spelling of 79657440474000 in words is "seventy-nine trillion, six hundred fifty-seven billion, four hundred forty million, four hundred seventy-four thousand".