77242757224216 has 16 divisors (see below), whose sum is σ = 144835128642600. Its totient is φ = 38620056252864.

The previous prime is 77242757224207. The next prime is 77242757224229. The reversal of 77242757224216 is 61242275724277.

It is a happy number.

It is a congruent number.

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, 165046630 + ... + 165513973.

Almost surely, 2^{77242757224216} is an apocalyptic number.

It is an amenable number.

77242757224216 is a deficient number, since it is larger than the sum of its proper divisors (67592371418384).

77242757224216 is a wasteful number, since it uses less digits than its factorization.

77242757224216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330589818 (or 330589814 counting only the distinct ones).

The product of its digits is 36879360, while the sum is 58.

The spelling of 77242757224216 in words is "seventy-seven trillion, two hundred forty-two billion, seven hundred fifty-seven million, two hundred twenty-four thousand, two hundred sixteen".