78512876 has 12 divisors (see below), whose sum is σ = 147966672. Its totient is φ = 36236688.

The previous prime is 78512873. The next prime is 78512881. The reversal of 78512876 is 67821587.

It is a super-3 number, since 3×78512876³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (78512873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754880 + ... + 754983.

It is an arithmetic number, because the mean of its divisors is an integer number (12330556).

Almost surely, 2^78512876 is an apocalyptic number.

It is an amenable number.

78512876 is a deficient number, since it is larger than the sum of its proper divisors (69453796).

78512876 is a wasteful number, since it uses less digits than its factorization.

78512876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509880 (or 1509878 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The square root of 78512876 is about 8860.7491782580. The cubic root of 78512876 is about 428.2002949318.

The spelling of 78512876 in words is "seventy-eight million, five hundred twelve thousand, eight hundred seventy-six".