3950443977 has 4 divisors (see below), whose sum is σ = 5267258640. Its totient is φ = 2633629316.

The previous prime is 3950443961. The next prime is 3950443993. The reversal of 3950443977 is 7793440593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3950443961) and next prime (3950443993).

It is a cyclic number.

It is not a de Polignac number, because 3950443977 - 2⁴ = 3950443961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3950443877) 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, 658407327 + ... + 658407332.

It is an arithmetic number, because the mean of its divisors is an integer number (1316814660).

Almost surely, 2^3950443977 is an apocalyptic number.

It is an amenable number.

3950443977 is a deficient number, since it is larger than the sum of its proper divisors (1316814663).

3950443977 is a wasteful number, since it uses less digits than its factorization.

3950443977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316814662.

The product of its (nonzero) digits is 2857680, while the sum is 51.

The square root of 3950443977 is about 62852.5574420007. The cubic root of 3950443977 is about 1580.8183520368.

The spelling of 3950443977 in words is "three billion, nine hundred fifty million, four hundred forty-three thousand, nine hundred seventy-seven".