677662772 has 24 divisors (see below), whose sum is σ = 1260237384. Its totient is φ = 317740032.

The previous prime is 677662771. The next prime is 677662781. The reversal of 677662772 is 277266776.

It can be written as a sum of positive squares in 4 ways, for example, as 261339556 + 416323216 = 16166^2 + 20404^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 677662772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677662771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848 + ... + 36824.

It is an arithmetic number, because the mean of its divisors is an integer number (52509891).

Almost surely, 2^677662772 is an apocalyptic number.

It is an amenable number.

677662772 is a deficient number, since it is larger than the sum of its proper divisors (582574612).

677662772 is a wasteful number, since it uses less digits than its factorization.

677662772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36275 (or 36273 counting only the distinct ones).

The product of its digits is 2074464, while the sum is 50.

The square root of 677662772 is about 26031.9567455080. The cubic root of 677662772 is about 878.3572883906.

The spelling of 677662772 in words is "six hundred seventy-seven million, six hundred sixty-two thousand, seven hundred seventy-two".