677408699 has 6 divisors (see below), whose sum is σ = 744589860. Its totient is φ = 615825980.

The previous prime is 677408689. The next prime is 677408737. The reversal of 677408699 is 996804776.

It is a de Polignac number, because none of the positive numbers 2^k-677408699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677408689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2799089 + ... + 2799330.

It is an arithmetic number, because the mean of its divisors is an integer number (124098310).

Almost surely, 2^677408699 is an apocalyptic number.

677408699 is a deficient number, since it is larger than the sum of its proper divisors (67181161).

677408699 is a wasteful number, since it uses less digits than its factorization.

677408699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598441 (or 5598430 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 56.

The square root of 677408699 is about 26027.0762668418. The cubic root of 677408699 is about 878.2475018435.

The spelling of 677408699 in words is "six hundred seventy-seven million, four hundred eight thousand, six hundred ninety-nine".