3877580640 has 96 divisors (see below), whose sum is σ = 12222977760. Its totient is φ = 1033293824.

The previous prime is 3877580561. The next prime is 3877580669. The reversal of 3877580640 is 460857783.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3877580640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331506 + ... + 1334414.

It is an arithmetic number, because the mean of its divisors is an integer number (127322685).

Almost surely, 2^3877580640 is an apocalyptic number.

3877580640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3877580640 is an abundant number, since it is smaller than the sum of its proper divisors (8345397120).

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

3877580640 is a wasteful number, since it uses less digits than its factorization.

3877580640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704 (or 5696 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 3877580640 is about 62270.2227392837. Note that the first 3 decimals coincide. The cubic root of 3877580640 is about 1571.0389272110.

The spelling of 3877580640 in words is "three billion, eight hundred seventy-seven million, five hundred eighty thousand, six hundred forty".