976680469 has 4 divisors (see below), whose sum is σ = 976888044. Its totient is φ = 976472896.

The previous prime is 976680437. The next prime is 976680479. The reversal of 976680469 is 964086679.

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

It can be written as a sum of positive squares in 2 ways, for example, as 564062500 + 412617969 = 23750^2 + 20313^2 .

It is a cyclic number.

It is not a de Polignac number, because 976680469 - 2⁵ = 976680437 is a prime.

It is a super-2 number, since 2×976680469² = 1907809477052119922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976680409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96562 + ... + 106195.

It is an arithmetic number, because the mean of its divisors is an integer number (244222011).

Almost surely, 2^976680469 is an apocalyptic number.

It is an amenable number.

976680469 is a deficient number, since it is larger than the sum of its proper divisors (207575).

976680469 is a wasteful number, since it uses less digits than its factorization.

976680469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207574.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 976680469 is about 31251.8874470007. The cubic root of 976680469 is about 992.1656055494.

The spelling of 976680469 in words is "nine hundred seventy-six million, six hundred eighty thousand, four hundred sixty-nine".