86078312 has 8 divisors (see below), whose sum is σ = 161396850. Its totient is φ = 43039152.

The previous prime is 86078297. The next prime is 86078323. The reversal of 86078312 is 21387068.

It can be written as a sum of positive squares in only one way, i.e., 71132356 + 14945956 = 8434^2 + 3866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5379887 + ... + 5379902.

Almost surely, 2^86078312 is an apocalyptic number.

It is an amenable number.

86078312 is a deficient number, since it is larger than the sum of its proper divisors (75318538).

86078312 is a wasteful number, since it uses less digits than its factorization.

86078312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10759795 (or 10759791 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 86078312 is about 9277.8398347891. The cubic root of 86078312 is about 441.5344360453.

The spelling of 86078312 in words is "eighty-six million, seventy-eight thousand, three hundred twelve".