86965351250 has 90 divisors (see below), whose sum is σ = 172431540963. Its totient is φ = 32880222000.

The previous prime is 86965351237. The next prime is 86965351273. The reversal of 86965351250 is 5215356968.

It can be written as a sum of positive squares in 3 ways, for example, as 20106389209 + 66858962041 = 141797^2 + 258571^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=208525.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 198098531 + ... + 198098969.

Almost surely, 2^86965351250 is an apocalyptic number.

86965351250 is a deficient number, since it is larger than the sum of its proper divisors (85466189713).

86965351250 is an frugal number, since it uses more digits than its factorization.

86965351250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 50.

Multiplying 86965351250 by its sum of digits (50), we get a square (4348267562500 = 2085250²).

86965351250 divided by its sum of digits (50) gives a square (1739307025 = 41705²).

The spelling of 86965351250 in words is "eighty-six billion, nine hundred sixty-five million, three hundred fifty-one thousand, two hundred fifty".