79869628654 has 32 divisors (see below), whose sum is σ = 134666956800. Its totient is φ = 35350045920.

The previous prime is 79869628651. The next prime is 79869628661. The reversal of 79869628654 is 45682696897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79869628651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1134822 + ... + 1203145.

It is an arithmetic number, because the mean of its divisors is an integer number (4208342400).

Almost surely, 2^79869628654 is an apocalyptic number.

79869628654 is a deficient number, since it is larger than the sum of its proper divisors (54797328146).

79869628654 is a wasteful number, since it uses less digits than its factorization.

79869628654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338048.

The product of its digits is 313528320, while the sum is 70.

The spelling of 79869628654 in words is "seventy-nine billion, eight hundred sixty-nine million, six hundred twenty-eight thousand, six hundred fifty-four".