677554043 has 2 divisors, whose sum is σ = 677554044. Its totient is φ = 677554042.

The previous prime is 677554039. The next prime is 677554081. The reversal of 677554043 is 340455776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 677554043 - 2² = 677554039 is a prime.

It is not a weakly prime, because it can be changed into another prime (677554093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338777021 + 338777022.

It is an arithmetic number, because the mean of its divisors is an integer number (338777022).

Almost surely, 2^677554043 is an apocalyptic number.

677554043 is a deficient number, since it is larger than the sum of its proper divisors (1).

677554043 is an equidigital number, since it uses as much as digits as its factorization.

677554043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 41.

The square root of 677554043 is about 26029.8682862592. The cubic root of 677554043 is about 878.3103092629.

The spelling of 677554043 in words is "six hundred seventy-seven million, five hundred fifty-four thousand, forty-three".