3977011608 has 32 divisors (see below), whose sum is σ = 10082568960. Its totient is φ = 1306998560.

The previous prime is 3977011583. The next prime is 3977011639. The reversal of 3977011608 is 8061107793.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3977011608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165260 + ... + 1168667.

It is an arithmetic number, because the mean of its divisors is an integer number (315080280).

Almost surely, 2^3977011608 is an apocalyptic number.

It is an amenable number.

3977011608 is an abundant number, since it is smaller than the sum of its proper divisors (6105557352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3977011608 is a wasteful number, since it uses less digits than its factorization.

3977011608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334007 (or 2334003 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 3977011608 is about 63063.5521359208. The cubic root of 3977011608 is about 1584.3542245501.

The spelling of 3977011608 in words is "three billion, nine hundred seventy-seven million, eleven thousand, six hundred eight".