977066009 has 4 divisors (see below), whose sum is σ = 978308304. Its totient is φ = 975823716.

The previous prime is 977065997. The next prime is 977066011. The reversal of 977066009 is 900660779.

977066009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 977066009 - 2¹² = 977061913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (977066099) 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, 619967 + ... + 621540.

It is an arithmetic number, because the mean of its divisors is an integer number (244577076).

Almost surely, 2^977066009 is an apocalyptic number.

It is an amenable number.

977066009 is a deficient number, since it is larger than the sum of its proper divisors (1242295).

977066009 is a wasteful number, since it uses less digits than its factorization.

977066009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242294.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 977066009 is about 31258.0551058443. The cubic root of 977066009 is about 992.2961392699.

The spelling of 977066009 in words is "nine hundred seventy-seven million, sixty-six thousand, nine".