39692760987 has 12 divisors (see below), whose sum is σ = 58172311400. Its totient is φ = 24056218560.

The previous prime is 39692760983. The next prime is 39692760997. The reversal of 39692760987 is 78906729693.

It is a happy number.

It is not a de Polignac number, because 39692760987 - 2² = 39692760983 is a prime.

It is a super-2 number, since 2×39692760987² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39692760983) 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, 54672862 + ... + 54673587.

Almost surely, 2^39692760987 is an apocalyptic number.

39692760987 is a deficient number, since it is larger than the sum of its proper divisors (18479550413).

39692760987 is a wasteful number, since it uses less digits than its factorization.

39692760987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109346474 (or 109346463 counting only the distinct ones).

The product of its (nonzero) digits is 61725888, while the sum is 66.

The spelling of 39692760987 in words is "thirty-nine billion, six hundred ninety-two million, seven hundred sixty thousand, nine hundred eighty-seven".