36815265987 has 8 divisors (see below), whose sum is σ = 49135102800. Its totient is φ = 24519469920.

The previous prime is 36815265979. The next prime is 36815265989. The reversal of 36815265987 is 78956251863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36815265987 - 2³ = 36815265979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36815265987.

It is not an unprimeable number, because it can be changed into a prime (36815265989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6006612 + ... + 6012737.

It is an arithmetic number, because the mean of its divisors is an integer number (6141887850).

Almost surely, 2^36815265987 is an apocalyptic number.

36815265987 is a deficient number, since it is larger than the sum of its proper divisors (12319836813).

36815265987 is a wasteful number, since it uses less digits than its factorization.

36815265987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12020373.

The product of its digits is 21772800, while the sum is 60.

The spelling of 36815265987 in words is "thirty-six billion, eight hundred fifteen million, two hundred sixty-five thousand, nine hundred eighty-seven".