863342157 has 16 divisors (see below), whose sum is σ = 1192491008. Its totient is φ = 555009840.

The previous prime is 863342153. The next prime is 863342167. The reversal of 863342157 is 751243368.

It is not a de Polignac number, because 863342157 - 2² = 863342153 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 (863342153) by changing a digit.

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, 9918 + ... + 42720.

It is an arithmetic number, because the mean of its divisors is an integer number (74530688).

Almost surely, 2^863342157 is an apocalyptic number.

It is an amenable number.

863342157 is a deficient number, since it is larger than the sum of its proper divisors (329148851).

863342157 is a wasteful number, since it uses less digits than its factorization.

863342157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33120.

The product of its digits is 120960, while the sum is 39.

The square root of 863342157 is about 29382.6846458931. The cubic root of 863342157 is about 952.1988427983.

The spelling of 863342157 in words is "eight hundred sixty-three million, three hundred forty-two thousand, one hundred fifty-seven".