976649069 has 16 divisors (see below), whose sum is σ = 1138886784. Its totient is φ = 828537600.

The previous prime is 976649053. The next prime is 976649071. The reversal of 976649069 is 960946679.

It is not a de Polignac number, because 976649069 - 2⁴ = 976649053 is a prime.

It is a super-2 number, since 2×976649069² = 1907686807957133522, 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 (976649029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36704 + ... + 57449.

It is an arithmetic number, because the mean of its divisors is an integer number (71180424).

Almost surely, 2^976649069 is an apocalyptic number.

It is an amenable number.

976649069 is a deficient number, since it is larger than the sum of its proper divisors (162237715).

976649069 is a wasteful number, since it uses less digits than its factorization.

976649069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94228.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The square root of 976649069 is about 31251.3850733052. The cubic root of 976649069 is about 992.1549728212.

The spelling of 976649069 in words is "nine hundred seventy-six million, six hundred forty-nine thousand, sixty-nine".