86789503690 has 16 divisors (see below), whose sum is σ = 156398445000. Its totient is φ = 34676392960.

The previous prime is 86789503651. The next prime is 86789503721. The reversal of 86789503690 is 9630598768.

It can be written as a sum of positive squares in 4 ways, for example, as 48166641961 + 38622861729 = 219469^2 + 196527^2 .

It is a super-2 number, since 2×86789503690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4916815 + ... + 4934434.

Almost surely, 2^86789503690 is an apocalyptic number.

86789503690 is a deficient number, since it is larger than the sum of its proper divisors (69608941310).

86789503690 is a wasteful number, since it uses less digits than its factorization.

86789503690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9852137.

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 86789503690 in words is "eighty-six billion, seven hundred eighty-nine million, five hundred three thousand, six hundred ninety".