87033685634 has 12 divisors (see below), whose sum is σ = 151864900614. Its totient is φ = 37300150944.

The previous prime is 87033685619. The next prime is 87033685667. The reversal of 87033685634 is 43658633078.

It can be written as a sum of positive squares in only one way, i.e., 65742498409 + 21291187225 = 256403^2 + 145915^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444049319 + ... + 444049514.

Almost surely, 2^87033685634 is an apocalyptic number.

87033685634 is a deficient number, since it is larger than the sum of its proper divisors (64831214980).

87033685634 is a wasteful number, since it uses less digits than its factorization.

87033685634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888098849 (or 888098842 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 87033685634 in words is "eighty-seven billion, thirty-three million, six hundred eighty-five thousand, six hundred thirty-four".