977077 has 4 divisors (see below), whose sum is σ = 979776. Its totient is φ = 974380.

The previous prime is 977069. The next prime is 977087. The reversal of 977077 is 770779.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 770779 = 53 ⋅14543.

It is a cyclic number.

It is not a de Polignac number, because 977077 - 2³ = 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 (977047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703 + ... + 1564.

It is an arithmetic number, because the mean of its divisors is an integer number (244944).

2⁹⁷⁷⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

977077 is a deficient number, since it is larger than the sum of its proper divisors (2699).

977077 is a wasteful number, since it uses less digits than its factorization.

977077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698.

The product of its (nonzero) digits is 21609, while the sum is 37.

The square root of 977077 is about 988.4720532215. The cubic root of 977077 is about 99.2299860030.

The spelling of 977077 in words is "nine hundred seventy-seven thousand, seventy-seven".