3682057978 has 16 divisors (see below), whose sum is σ = 5540420160. Its totient is φ = 1835260416.

The previous prime is 3682057961. The next prime is 3682057987. The reversal of 3682057978 is 8797502863.

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, 1371025 + ... + 1373707.

It is an arithmetic number, because the mean of its divisors is an integer number (346276260).

Almost surely, 2^3682057978 is an apocalyptic number.

3682057978 is a deficient number, since it is larger than the sum of its proper divisors (1858362182).

3682057978 is a wasteful number, since it uses less digits than its factorization.

3682057978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The square root of 3682057978 is about 60679.9635629423. The cubic root of 3682057978 is about 1544.1762701226.

The spelling of 3682057978 in words is "three billion, six hundred eighty-two million, fifty-seven thousand, nine hundred seventy-eight".