79402863446 has 32 divisors (see below), whose sum is σ = 128285851680. Its totient is φ = 36784339200.

The previous prime is 79402863427. The next prime is 79402863451. The reversal of 79402863446 is 64436820497.

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, 128636 + ... + 418751.

It is an arithmetic number, because the mean of its divisors is an integer number (4008932865).

Almost surely, 2^79402863446 is an apocalyptic number.

79402863446 is a deficient number, since it is larger than the sum of its proper divisors (48882988234).

79402863446 is a wasteful number, since it uses less digits than its factorization.

79402863446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547520.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 79402863446 in words is "seventy-nine billion, four hundred two million, eight hundred sixty-three thousand, four hundred forty-six".