36746987985 has 32 divisors (see below), whose sum is σ = 66115082880. Its totient is φ = 19362262464.

The previous prime is 36746987941. The next prime is 36746987999. The reversal of 36746987985 is 58978964763.

36746987985 is a `hidden beast` number, since 3 + 6 + 7 + 469 + 87 + 9 + 85 = 666.

It is not a de Polignac number, because 36746987985 - 2⁸ = 36746987729 is a prime.

It is a super-2 number, since 2×36746987985² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1628554 + ... + 1650963.

It is an arithmetic number, because the mean of its divisors is an integer number (2066096340).

Almost surely, 2^36746987985 is an apocalyptic number.

It is an amenable number.

36746987985 is a deficient number, since it is larger than the sum of its proper divisors (29368094895).

36746987985 is a wasteful number, since it uses less digits than its factorization.

36746987985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279614 (or 3279608 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 72.

The spelling of 36746987985 in words is "thirty-six billion, seven hundred forty-six million, nine hundred eighty-seven thousand, nine hundred eighty-five".