977327406 has 36 divisors (see below), whose sum is σ = 2327552136. Its totient is φ = 296159160.

The previous prime is 977327401. The next prime is 977327413. The reversal of 977327406 is 604723779.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977327401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 222186 + ... + 226541.

It is an arithmetic number, because the mean of its divisors is an integer number (64654226).

Almost surely, 2^977327406 is an apocalyptic number.

977327406 is an abundant number, since it is smaller than the sum of its proper divisors (1350224730).

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

977327406 is a wasteful number, since it uses less digits than its factorization.

977327406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448757 (or 448743 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 977327406 is about 31262.2361004455. The cubic root of 977327406 is about 992.3846218984.

The spelling of 977327406 in words is "nine hundred seventy-seven million, three hundred twenty-seven thousand, four hundred six".