79445000655 has 48 divisors (see below), whose sum is σ = 138584571840. Its totient is φ = 42100498944.

The previous prime is 79445000651. The next prime is 79445000683. The reversal of 79445000655 is 55600054497.

79445000655 is a `hidden beast` number, since 7 + 94 + 4 + 500 + 0 + 6 + 55 = 666.

It is not a de Polignac number, because 79445000655 - 2² = 79445000651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 79445000655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79445000651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7290451 + ... + 7301339.

It is an arithmetic number, because the mean of its divisors is an integer number (2887178580).

Almost surely, 2^79445000655 is an apocalyptic number.

79445000655 is a deficient number, since it is larger than the sum of its proper divisors (59139571185).

79445000655 is a wasteful number, since it uses less digits than its factorization.

79445000655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11920 (or 11917 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 79445000655 in words is "seventy-nine billion, four hundred forty-five million, six hundred fifty-five", and thus it is an aban number.