977554423 has 2 divisors, whose sum is σ = 977554424. Its totient is φ = 977554422.

The previous prime is 977554411. The next prime is 977554429. The reversal of 977554423 is 324455779.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 977554423 - 2⁹ = 977553911 is a prime.

It is a super-2 number, since 2×977554423² = 1911225299853725858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (977554429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488777211 + 488777212.

It is an arithmetic number, because the mean of its divisors is an integer number (488777212).

Almost surely, 2^977554423 is an apocalyptic number.

977554423 is a deficient number, since it is larger than the sum of its proper divisors (1).

977554423 is an equidigital number, since it uses as much as digits as its factorization.

977554423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 46.

The square root of 977554423 is about 31265.8667399450. The cubic root of 977554423 is about 992.4614541305.

The spelling of 977554423 in words is "nine hundred seventy-seven million, five hundred fifty-four thousand, four hundred twenty-three".