86691635037 has 12 divisors (see below), whose sum is σ = 143110000800. Its totient is φ = 49538077128.

The previous prime is 86691635021. The next prime is 86691635039. The reversal of 86691635037 is 73053619668.

It is not a de Polignac number, because 86691635037 - 2⁴ = 86691635021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86691635039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 688028787 + ... + 688028912.

It is an arithmetic number, because the mean of its divisors is an integer number (11925833400).

Almost surely, 2^86691635037 is an apocalyptic number.

It is an amenable number.

86691635037 is a deficient number, since it is larger than the sum of its proper divisors (56418365763).

86691635037 is a wasteful number, since it uses less digits than its factorization.

86691635037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376057712 (or 1376057709 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 86691635037 in words is "eighty-six billion, six hundred ninety-one million, six hundred thirty-five thousand, thirty-seven".