977091073 has 8 divisors (see below), whose sum is σ = 1117463040. Its totient is φ = 836916000.

The previous prime is 977091053. The next prime is 977091103. The reversal of 977091073 is 370190779.

It is a happy number.

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-977091073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (977091013) 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, 38428 + ... + 58573.

It is an arithmetic number, because the mean of its divisors is an integer number (139682880).

Almost surely, 2^977091073 is an apocalyptic number.

It is an amenable number.

977091073 is a deficient number, since it is larger than the sum of its proper divisors (140371967).

977091073 is a wasteful number, since it uses less digits than its factorization.

977091073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98447.

The product of its (nonzero) digits is 83349, while the sum is 43.

The square root of 977091073 is about 31258.4560239305. The cubic root of 977091073 is about 992.3046240933.

The spelling of 977091073 in words is "nine hundred seventy-seven million, ninety-one thousand, seventy-three".