976928629609 has 27 divisors (see below), whose sum is σ = 1058690587087. Its totient is φ = 901291549184.

The previous prime is 976928629577. The next prime is 976928629613. The reversal of 976928629609 is 906926829679.

The square root of 976928629609 is 988397.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 211604600025 + 765324029584 = 460005^2 + 874828^2 .

It is not a de Polignac number, because 976928629609 - 2⁵ = 976928629577 is a prime.

It is a super-2 number, since 2×976928629609² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (976928629309) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 890545149 + ... + 890546245.

Almost surely, 2^976928629609 is an apocalyptic number.

976928629609 is the 988397-th square number.

976928629609 is the 494199-th centered octagonal number.

It is an amenable number.

976928629609 is a deficient number, since it is larger than the sum of its proper divisors (81761957478).

976928629609 is an frugal number, since it uses more digits than its factorization.

976928629609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 317447424, while the sum is 73.

The spelling of 976928629609 in words is "nine hundred seventy-six billion, nine hundred twenty-eight million, six hundred twenty-nine thousand, six hundred nine".