85398900368 has 10 divisors (see below), whose sum is σ = 165460369494. Its totient is φ = 42699450176.

The previous prime is 85398900317. The next prime is 85398900383. The reversal of 85398900368 is 86300989358.

It can be written as a sum of positive squares in only one way, i.e., 68797093264 + 16601807104 = 262292^2 + 128848^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2668715621 + ... + 2668715652.

Almost surely, 2^85398900368 is an apocalyptic number.

It is an amenable number.

85398900368 is a deficient number, since it is larger than the sum of its proper divisors (80061469126).

85398900368 is a wasteful number, since it uses less digits than its factorization.

85398900368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337431281 (or 5337431275 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 85398900368 in words is "eighty-five billion, three hundred ninety-eight million, nine hundred thousand, three hundred sixty-eight".