79644654 has 16 divisors (see below), whose sum is σ = 176988240. Its totient is φ = 26548200.

The previous prime is 79644641. The next prime is 79644667. The reversal of 79644654 is 45644697.

It is an interprime number because it is at equal distance from previous prime (79644641) and next prime (79644667).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737397 + ... + 737504.

It is an arithmetic number, because the mean of its divisors is an integer number (11061765).

Almost surely, 2^79644654 is an apocalyptic number.

79644654 is an abundant number, since it is smaller than the sum of its proper divisors (97343586).

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

79644654 is a wasteful number, since it uses less digits than its factorization.

79644654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474912 (or 1474906 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 79644654 is about 8924.3853569868. The cubic root of 79644654 is about 430.2480162866.

The spelling of 79644654 in words is "seventy-nine million, six hundred forty-four thousand, six hundred fifty-four".