39700037697 has 8 divisors (see below), whose sum is σ = 52946609856. Its totient is φ = 26460078672.

The previous prime is 39700037659. The next prime is 39700037701. The reversal of 39700037697 is 79673000793.

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

It is not a de Polignac number, because 39700037697 - 2¹⁸ = 39699775553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39700037647) 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, 1639258 + ... + 1663299.

It is an arithmetic number, because the mean of its divisors is an integer number (6618326232).

Almost surely, 2^39700037697 is an apocalyptic number.

It is an amenable number.

39700037697 is a deficient number, since it is larger than the sum of its proper divisors (13246572159).

39700037697 is a wasteful number, since it uses less digits than its factorization.

39700037697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306567.

The product of its (nonzero) digits is 1500282, while the sum is 51.

The spelling of 39700037697 in words is "thirty-nine billion, seven hundred million, thirty-seven thousand, six hundred ninety-seven".