4077385820 has 24 divisors (see below), whose sum is σ = 8565346944. Its totient is φ = 1630414016.

The previous prime is 4077385817. The next prime is 4077385843. The reversal of 4077385820 is 285837704.

It is a happy number.

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, 31154 + ... + 95526.

It is an arithmetic number, because the mean of its divisors is an integer number (356889456).

Almost surely, 2^4077385820 is an apocalyptic number.

It is an amenable number.

4077385820 is an abundant number, since it is smaller than the sum of its proper divisors (4487961124).

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

4077385820 is a wasteful number, since it uses less digits than its factorization.

4077385820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67549 (or 67547 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 4077385820 is about 63854.4111240563. The cubic root of 4077385820 is about 1597.5725978324.

The spelling of 4077385820 in words is "four billion, seventy-seven million, three hundred eighty-five thousand, eight hundred twenty".