977398089 has 8 divisors (see below), whose sum is σ = 1317840480. Its totient is φ = 644277216.

The previous prime is 977398021. The next prime is 977398117. The reversal of 977398089 is 980893779.

It is a happy number.

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

It is not a de Polignac number, because 977398089 - 2⁷ = 977397961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (977398489) 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, 1830067 + ... + 1830600.

It is an arithmetic number, because the mean of its divisors is an integer number (164730060).

Almost surely, 2^977398089 is an apocalyptic number.

It is an amenable number.

977398089 is a deficient number, since it is larger than the sum of its proper divisors (340442391).

977398089 is a wasteful number, since it uses less digits than its factorization.

977398089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660759.

The product of its (nonzero) digits is 6858432, while the sum is 60.

The square root of 977398089 is about 31263.3665653589. The cubic root of 977398089 is about 992.4085453147.

The spelling of 977398089 in words is "nine hundred seventy-seven million, three hundred ninety-eight thousand, eighty-nine".