977061608 has 8 divisors (see below), whose sum is σ = 1831990530. Its totient is φ = 488530800.

The previous prime is 977061599. The next prime is 977061623. The reversal of 977061608 is 806160779.

It can be written as a sum of positive squares in only one way, i.e., 496487524 + 480574084 = 22282^2 + 21922^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61066343 + ... + 61066358.

Almost surely, 2^977061608 is an apocalyptic number.

It is an amenable number.

977061608 is a deficient number, since it is larger than the sum of its proper divisors (854928922).

977061608 is a wasteful number, since it uses less digits than its factorization.

977061608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122132707 (or 122132703 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 977061608 is about 31257.9847079110. The cubic root of 977061608 is about 992.2946494006.

The spelling of 977061608 in words is "nine hundred seventy-seven million, sixty-one thousand, six hundred eight".