377970989 has 8 divisors (see below), whose sum is σ = 421921632. Its totient is φ = 335618640.

The previous prime is 377970977. The next prime is 377970991. The reversal of 377970989 is 989079773.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 377970989 - 2¹² = 377966893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377970959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399074 + ... + 400019.

It is an arithmetic number, because the mean of its divisors is an integer number (52740204).

Almost surely, 2^377970989 is an apocalyptic number.

It is an amenable number.

377970989 is a deficient number, since it is larger than the sum of its proper divisors (43950643).

377970989 is a wasteful number, since it uses less digits than its factorization.

377970989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799147.

The product of its (nonzero) digits is 6001128, while the sum is 59.

The square root of 377970989 is about 19441.4759984935. The cubic root of 377970989 is about 723.0241812563.

The spelling of 377970989 in words is "three hundred seventy-seven million, nine hundred seventy thousand, nine hundred eighty-nine".