79451271652 has 12 divisors (see below), whose sum is σ = 139117718656. Its totient is φ = 39703352040.

The previous prime is 79451271637. The next prime is 79451271709. The reversal of 79451271652 is 25617215497.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 79451271596 and 79451271605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5562924 + ... + 5577187.

Almost surely, 2^79451271652 is an apocalyptic number.

It is an amenable number.

79451271652 is a deficient number, since it is larger than the sum of its proper divisors (59666447004).

79451271652 is a wasteful number, since it uses less digits than its factorization.

79451271652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11141898 (or 11141896 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 49.

The spelling of 79451271652 in words is "seventy-nine billion, four hundred fifty-one million, two hundred seventy-one thousand, six hundred fifty-two".