682885157 has 4 divisors (see below), whose sum is σ = 712575840. Its totient is φ = 653194476.

The previous prime is 682885129. The next prime is 682885169. The reversal of 682885157 is 751588286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 682885157 - 2²² = 678690853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682885117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14845307 + ... + 14845352.

It is an arithmetic number, because the mean of its divisors is an integer number (178143960).

Almost surely, 2^682885157 is an apocalyptic number.

It is an amenable number.

682885157 is a deficient number, since it is larger than the sum of its proper divisors (29690683).

682885157 is a wasteful number, since it uses less digits than its factorization.

682885157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29690682.

The product of its digits is 1075200, while the sum is 50.

The square root of 682885157 is about 26132.0714257404. The cubic root of 682885157 is about 880.6078604126.

The spelling of 682885157 in words is "six hundred eighty-two million, eight hundred eighty-five thousand, one hundred fifty-seven".