676779477 has 16 divisors (see below), whose sum is σ = 986955840. Its totient is φ = 409107200.

The previous prime is 676779473. The next prime is 676779479. The reversal of 676779477 is 774977676.

It is a cyclic number.

It is not a de Polignac number, because 676779477 - 2² = 676779473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 676779477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676779473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13524 + ... + 39197.

It is an arithmetic number, because the mean of its divisors is an integer number (61684740).

Almost surely, 2^676779477 is an apocalyptic number.

It is an amenable number.

676779477 is a deficient number, since it is larger than the sum of its proper divisors (310176363).

676779477 is a wasteful number, since it uses less digits than its factorization.

676779477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53124.

The product of its digits is 21781872, while the sum is 60.

The square root of 676779477 is about 26014.9856236747. The cubic root of 676779477 is about 877.9754928186.

The spelling of 676779477 in words is "six hundred seventy-six million, seven hundred seventy-nine thousand, four hundred seventy-seven".