677077641 has 6 divisors (see below), whose sum is σ = 978001050. Its totient is φ = 451385088.

The previous prime is 677077633. The next prime is 677077663. The reversal of 677077641 is 146770776.

It can be written as a sum of positive squares in only one way, i.e., 388247616 + 288830025 = 19704^2 + 16995^2 .

It is not a de Polignac number, because 677077641 - 2³ = 677077633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677077601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37615416 + ... + 37615433.

It is an arithmetic number, because the mean of its divisors is an integer number (163000175).

Almost surely, 2^677077641 is an apocalyptic number.

It is an amenable number.

677077641 is a deficient number, since it is larger than the sum of its proper divisors (300923409).

677077641 is a wasteful number, since it uses less digits than its factorization.

677077641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75230855 (or 75230852 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The square root of 677077641 is about 26020.7156127575. The cubic root of 677077641 is about 878.1044083958.

The spelling of 677077641 in words is "six hundred seventy-seven million, seventy-seven thousand, six hundred forty-one".