77732301312152 has 16 divisors (see below), whose sum is σ = 145757291510160. Its totient is φ = 38863690242784.

The previous prime is 77732301312139. The next prime is 77732301312179. The reversal of 77732301312152 is 25121310323777.

It is a super-2 number, since 2×77732301312152² (a number of 29 digits) contains 22 as substring.

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, 307417388 + ... + 307670139.

It is an arithmetic number, because the mean of its divisors is an integer number (9109830719385).

Almost surely, 2^{77732301312152} is an apocalyptic number.

It is an amenable number.

77732301312152 is a deficient number, since it is larger than the sum of its proper divisors (68024990198008).

77732301312152 is a wasteful number, since it uses less digits than its factorization.

77732301312152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615103330 (or 615103326 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 44.

The spelling of 77732301312152 in words is "seventy-seven trillion, seven hundred thirty-two billion, three hundred one million, three hundred twelve thousand, one hundred fifty-two".