79430866445 has 16 divisors (see below), whose sum is σ = 111251501568. Its totient is φ = 53308008960.

The previous prime is 79430866439. The next prime is 79430866469. The reversal of 79430866445 is 54466803497.

It is not a de Polignac number, because 79430866445 - 2⁸ = 79430866189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24141476 + ... + 24144765.

It is an arithmetic number, because the mean of its divisors is an integer number (6953218848).

Almost surely, 2^79430866445 is an apocalyptic number.

It is an amenable number.

79430866445 is a deficient number, since it is larger than the sum of its proper divisors (31820635123).

79430866445 is a wasteful number, since it uses less digits than its factorization.

79430866445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48286300.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 79430866445 in words is "seventy-nine billion, four hundred thirty million, eight hundred sixty-six thousand, four hundred forty-five".