377642988 has 36 divisors (see below), whose sum is σ = 987517440. Its totient is φ = 121539936.

The previous prime is 377642987. The next prime is 377642999. The reversal of 377642988 is 889246773.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×377642988³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (377642983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179820 + ... + 181907.

It is an arithmetic number, because the mean of its divisors is an integer number (27431040).

Almost surely, 2^377642988 is an apocalyptic number.

It is an amenable number.

377642988 is an abundant number, since it is smaller than the sum of its proper divisors (609874452).

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

377642988 is a wasteful number, since it uses less digits than its factorization.

377642988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361766 (or 361761 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 377642988 is about 19433.0385683763. The cubic root of 377642988 is about 722.8149753521.

It can be divided in two parts, 3776 and 42988, that added together give a palindrome (46764).

The spelling of 377642988 in words is "three hundred seventy-seven million, six hundred forty-two thousand, nine hundred eighty-eight".