674940287157 has 16 divisors (see below), whose sum is σ = 912404183040. Its totient is φ = 443756007792.

The previous prime is 674940287129. The next prime is 674940287173. The reversal of 674940287157 is 751782049476.

It is not a de Polignac number, because 674940287157 - 2⁸ = 674940286901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 674940287157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674940287257) 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, 4642807 + ... + 4785972.

It is an arithmetic number, because the mean of its divisors is an integer number (57025261440).

Almost surely, 2^674940287157 is an apocalyptic number.

It is an amenable number.

674940287157 is a deficient number, since it is larger than the sum of its proper divisors (237463895883).

674940287157 is a wasteful number, since it uses less digits than its factorization.

674940287157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9429112.

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 674940287157 in words is "six hundred seventy-four billion, nine hundred forty million, two hundred eighty-seven thousand, one hundred fifty-seven".