677616751 has 4 divisors (see below), whose sum is σ = 774419152. Its totient is φ = 580814352.

The previous prime is 677616749. The next prime is 677616773. The reversal of 677616751 is 157616776.

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

It is a cyclic number.

It is not a de Polignac number, because 677616751 - 2¹ = 677616749 is a prime.

It is a super-2 number, since 2×677616751² = 918328922471592002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677616781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48401190 + ... + 48401203.

It is an arithmetic number, because the mean of its divisors is an integer number (193604788).

Almost surely, 2^677616751 is an apocalyptic number.

677616751 is a deficient number, since it is larger than the sum of its proper divisors (96802401).

677616751 is an equidigital number, since it uses as much as digits as its factorization.

677616751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96802400.

The product of its digits is 370440, while the sum is 46.

The square root of 677616751 is about 26031.0727977162. The cubic root of 677616751 is about 878.3374044614.

The spelling of 677616751 in words is "six hundred seventy-seven million, six hundred sixteen thousand, seven hundred fifty-one".