977071 has 4 divisors (see below), whose sum is σ = 1000944. Its totient is φ = 953200.

The previous prime is 977069. The next prime is 977087. The reversal of 977071 is 170779.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 977071 - 2¹ = 977069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11875 + ... + 11956.

It is an arithmetic number, because the mean of its divisors is an integer number (250236).

2⁹⁷⁷⁰⁷¹ is an apocalyptic number.

977071 is a deficient number, since it is larger than the sum of its proper divisors (23873).

977071 is a wasteful number, since it uses less digits than its factorization.

977071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23872.

The product of its (nonzero) digits is 3087, while the sum is 31.

The square root of 977071 is about 988.4690182297. The cubic root of 977071 is about 99.2297828866.

The spelling of 977071 in words is "nine hundred seventy-seven thousand, seventy-one".