977130993 has 8 divisors (see below), whose sum is σ = 1371412000. Its totient is φ = 617135328.

The previous prime is 977130971. The next prime is 977131009. The reversal of 977130993 is 399031779.

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

It is not a de Polignac number, because 977130993 - 2⁶ = 977130929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (977130493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8571268 + ... + 8571381.

It is an arithmetic number, because the mean of its divisors is an integer number (171426500).

Almost surely, 2^977130993 is an apocalyptic number.

It is an amenable number.

977130993 is a deficient number, since it is larger than the sum of its proper divisors (394281007).

977130993 is a wasteful number, since it uses less digits than its factorization.

977130993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17142671.

The product of its (nonzero) digits is 321489, while the sum is 48.

The square root of 977130993 is about 31259.0945646223. The cubic root of 977130993 is about 992.3181377641.

The spelling of 977130993 in words is "nine hundred seventy-seven million, one hundred thirty thousand, nine hundred ninety-three".