39996500077 has 8 divisors (see below), whose sum is σ = 40617089280. Its totient is φ = 39377501520.

The previous prime is 39996500059. The next prime is 39996500123. The reversal of 39996500077 is 77000569993.

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

It is a cyclic number.

It is not a de Polignac number, because 39996500077 - 2¹⁵ = 39996467309 is a prime.

It is a super-2 number, since 2×39996500077² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39996500977) 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, 346933 + ... + 447610.

It is an arithmetic number, because the mean of its divisors is an integer number (5077136160).

Almost surely, 2^39996500077 is an apocalyptic number.

It is an amenable number.

39996500077 is a deficient number, since it is larger than the sum of its proper divisors (620589203).

39996500077 is an equidigital number, since it uses as much as digits as its factorization.

39996500077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795323.

The product of its (nonzero) digits is 3214890, while the sum is 55.

The spelling of 39996500077 in words is "thirty-nine billion, nine hundred ninety-six million, five hundred thousand, seventy-seven".