39745093277 has 4 divisors (see below), whose sum is σ = 39745930620. Its totient is φ = 39744255936.

The previous prime is 39745093261. The next prime is 39745093343. The reversal of 39745093277 is 77239054793.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35783775556 + 3961317721 = 189166^2 + 62939^2 .

It is a cyclic number.

It is not a de Polignac number, because 39745093277 - 2⁴ = 39745093261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39745093217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342902 + ... + 443927.

It is an arithmetic number, because the mean of its divisors is an integer number (9936482655).

Almost surely, 2^39745093277 is an apocalyptic number.

It is an amenable number.

39745093277 is a deficient number, since it is larger than the sum of its proper divisors (837343).

39745093277 is an equidigital number, since it uses as much as digits as its factorization.

39745093277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837342.

The product of its (nonzero) digits is 10001880, while the sum is 56.

The spelling of 39745093277 in words is "thirty-nine billion, seven hundred forty-five million, ninety-three thousand, two hundred seventy-seven".