377949870164 has 12 divisors (see below), whose sum is σ = 661528329588. Its totient is φ = 188941776000.

The previous prime is 377949870161. The next prime is 377949870187. The reversal of 377949870164 is 461078949773.

It can be written as a sum of positive squares in 2 ways, for example, as 240598098064 + 137351772100 = 490508^2 + 370610^2 .

It is a super-2 number, since 2×377949870164² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 377949870164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377949870161) 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, 8264117 + ... + 8309724.

It is an arithmetic number, because the mean of its divisors is an integer number (55127360799).

Almost surely, 2^377949870164 is an apocalyptic number.

It is an amenable number.

377949870164 is a deficient number, since it is larger than the sum of its proper divisors (283578459424).

377949870164 is a wasteful number, since it uses less digits than its factorization.

377949870164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16579546 (or 16579544 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 65.

The spelling of 377949870164 in words is "three hundred seventy-seven billion, nine hundred forty-nine million, eight hundred seventy thousand, one hundred sixty-four".