977797354 has 4 divisors (see below), whose sum is σ = 1466696034. Its totient is φ = 488898676.

The previous prime is 977797349. The next prime is 977797369. The reversal of 977797354 is 453797779.

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

It can be written as a sum of positive squares in only one way, i.e., 661775625 + 316021729 = 25725^2 + 17777^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244449337 + ... + 244449340.

Almost surely, 2^977797354 is an apocalyptic number.

977797354 is a deficient number, since it is larger than the sum of its proper divisors (488898680).

977797354 is a wasteful number, since it uses less digits than its factorization.

977797354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488898679.

The product of its digits is 11668860, while the sum is 58.

The square root of 977797354 is about 31269.7514221012. The cubic root of 977797354 is about 992.5436591648.

The spelling of 977797354 in words is "nine hundred seventy-seven million, seven hundred ninety-seven thousand, three hundred fifty-four".