977142373 has 8 divisors (see below), whose sum is σ = 1020758400. Its totient is φ = 933620688.

The previous prime is 977142367. The next prime is 977142433. The reversal of 977142373 is 373241779.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-977142373 is a prime.

It is a super-2 number, since 2×977142373² = 1909614434224142258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977142973) 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, 1978 + ... + 44251.

It is an arithmetic number, because the mean of its divisors is an integer number (127594800).

Almost surely, 2^977142373 is an apocalyptic number.

It is an amenable number.

977142373 is a deficient number, since it is larger than the sum of its proper divisors (43616027).

977142373 is a wasteful number, since it uses less digits than its factorization.

977142373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47171.

The product of its digits is 222264, while the sum is 43.

The square root of 977142373 is about 31259.2765911177. The cubic root of 977142373 is about 992.3219900407.

The spelling of 977142373 in words is "nine hundred seventy-seven million, one hundred forty-two thousand, three hundred seventy-three".