977653330 has 16 divisors (see below), whose sum is σ = 1760223960. Its totient is φ = 390961792.

The previous prime is 977653301. The next prime is 977653333. The reversal of 977653330 is 33356779.

977653330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 954871801 + 22781529 = 30901^2 + 4773^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (977653333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38892 + ... + 58888.

Almost surely, 2^977653330 is an apocalyptic number.

977653330 is a deficient number, since it is larger than the sum of its proper divisors (782570630).

977653330 is a wasteful number, since it uses less digits than its factorization.

977653330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24893.

The product of its (nonzero) digits is 357210, while the sum is 43.

The square root of 977653330 is about 31267.4484088485. The cubic root of 977653330 is about 992.4949247563.

The spelling of 977653330 in words is "nine hundred seventy-seven million, six hundred fifty-three thousand, three hundred thirty".