939320778045 has 16 divisors (see below), whose sum is σ = 1618521956352. Its totient is φ = 462434844480.

The previous prime is 939320778013. The next prime is 939320778047. The reversal of 939320778045 is 540877023939.

It is not a de Polignac number, because 939320778045 - 2⁵ = 939320778013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939320778047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2408514621 + ... + 2408515010.

It is an arithmetic number, because the mean of its divisors is an integer number (101157622272).

Almost surely, 2^939320778045 is an apocalyptic number.

It is an amenable number.

939320778045 is a deficient number, since it is larger than the sum of its proper divisors (679201178307).

939320778045 is a wasteful number, since it uses less digits than its factorization.

939320778045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817029652.

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 939320778045 in words is "nine hundred thirty-nine billion, three hundred twenty million, seven hundred seventy-eight thousand, forty-five".