77872031152 has 10 divisors (see below), whose sum is σ = 150877060388. Its totient is φ = 38936015568.

The previous prime is 77872031143. The next prime is 77872031161. The reversal of 77872031152 is 25113027877.

It is an interprime number because it is at equal distance from previous prime (77872031143) and next prime (77872031161).

It is a junction number, because it is equal to n+sod(n) for n = 77872031099 and 77872031108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2433500958 + ... + 2433500989.

Almost surely, 2^77872031152 is an apocalyptic number.

It is an amenable number.

77872031152 is a deficient number, since it is larger than the sum of its proper divisors (73005029236).

77872031152 is a wasteful number, since it uses less digits than its factorization.

77872031152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867001955 (or 4867001949 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 77872031152 in words is "seventy-seven billion, eight hundred seventy-two million, thirty-one thousand, one hundred fifty-two".