377958989 has 16 divisors (see below), whose sum is σ = 393189120. Its totient is φ = 363130560.

The previous prime is 377958983. The next prime is 377958991. The reversal of 377958989 is 989859773.

It is a de Polignac number, because none of the positive numbers 2^k-377958989 is a prime.

It is a Duffinian number.

Its product of digits (34292160) is a multiple of the sum of its prime divisors (980).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377958983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515267 + ... + 515999.

It is an arithmetic number, because the mean of its divisors is an integer number (24574320).

Almost surely, 2^377958989 is an apocalyptic number.

It is an amenable number.

377958989 is a deficient number, since it is larger than the sum of its proper divisors (15230131).

377958989 is a wasteful number, since it uses less digits than its factorization.

377958989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its digits is 34292160, while the sum is 65.

The square root of 377958989 is about 19441.1673775008. The cubic root of 377958989 is about 723.0165295385.

The spelling of 377958989 in words is "three hundred seventy-seven million, nine hundred fifty-eight thousand, nine hundred eighty-nine".