677880818235476 has 12 divisors (see below), whose sum is σ = 1186447872876672. Its totient is φ = 338895711699288.

The previous prime is 677880818235457. The next prime is 677880818235487. The reversal of 677880818235476 is 674532818088776.

It is a self number, because there is not a number n which added to its sum of digits gives 677880818235476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11174320490 + ... + 11174381153.

It is an arithmetic number, because the mean of its divisors is an integer number (98870656073056).

Almost surely, 2^{677880818235476} is an apocalyptic number.

It is an amenable number.

677880818235476 is a deficient number, since it is larger than the sum of its proper divisors (508567054641196).

677880818235476 is a wasteful number, since it uses less digits than its factorization.

677880818235476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22348709230 (or 22348709228 counting only the distinct ones).

The product of its (nonzero) digits is 6069288960, while the sum is 80.

The spelling of 677880818235476 in words is "six hundred seventy-seven trillion, eight hundred eighty billion, eight hundred eighteen million, two hundred thirty-five thousand, four hundred seventy-six".