86850915028 has 12 divisors (see below), whose sum is σ = 152256221460. Its totient is φ = 43349137472.

The previous prime is 86850914993. The next prime is 86850915037. The reversal of 86850915028 is 82051905868.

It can be written as a sum of positive squares in 2 ways, for example, as 23144145424 + 63706769604 = 152132^2 + 252402^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19077451 + ... + 19082002.

It is an arithmetic number, because the mean of its divisors is an integer number (12688018455).

Almost surely, 2^86850915028 is an apocalyptic number.

It is an amenable number.

86850915028 is a deficient number, since it is larger than the sum of its proper divisors (65405306432).

86850915028 is a wasteful number, since it uses less digits than its factorization.

86850915028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38160026 (or 38160024 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 52.

The spelling of 86850915028 in words is "eighty-six billion, eight hundred fifty million, nine hundred fifteen thousand, twenty-eight".