3923712977 has 6 divisors (see below), whose sum is σ = 4017086082. Its totient is φ = 3832462032.

The previous prime is 3923712959. The next prime is 3923712979. The reversal of 3923712977 is 7792173293.

It can be written as a sum of positive squares in only one way, i.e., 3639588241 + 284124736 = 60329^2 + 16856^2 .

It is not a de Polignac number, because 3923712977 - 2¹² = 3923708881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3923712979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1059188 + ... + 1062885.

It is an arithmetic number, because the mean of its divisors is an integer number (669514347).

Almost surely, 2^3923712977 is an apocalyptic number.

It is an amenable number.

3923712977 is a deficient number, since it is larger than the sum of its proper divisors (93373105).

3923712977 is an equidigital number, since it uses as much as digits as its factorization.

3923712977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122159 (or 2122116 counting only the distinct ones).

The product of its digits is 1000188, while the sum is 50.

The square root of 3923712977 is about 62639.5480267858. The cubic root of 3923712977 is about 1577.2447008205.

The spelling of 3923712977 in words is "three billion, nine hundred twenty-three million, seven hundred twelve thousand, nine hundred seventy-seven".