674780557468 has 48 divisors (see below), whose sum is σ = 1233669032064. Its totient is φ = 322639986240.

The previous prime is 674780557453. The next prime is 674780557487. The reversal of 674780557468 is 864755087476.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4315983 + ... + 4469593.

It is an arithmetic number, because the mean of its divisors is an integer number (25701438168).

Almost surely, 2^674780557468 is an apocalyptic number.

It is an amenable number.

674780557468 is a deficient number, since it is larger than the sum of its proper divisors (558888474596).

674780557468 is a wasteful number, since it uses less digits than its factorization.

674780557468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154162 (or 154160 counting only the distinct ones).

The product of its (nonzero) digits is 316108800, while the sum is 67.

The spelling of 674780557468 in words is "six hundred seventy-four billion, seven hundred eighty million, five hundred fifty-seven thousand, four hundred sixty-eight".