942312857 has 4 divisors (see below), whose sum is σ = 956377296. Its totient is φ = 928248420.

The previous prime is 942312827. The next prime is 942312883. The reversal of 942312857 is 758213249.

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, and also an emirpimes, since its reverse is a distinct semiprime: 758213249 = 9349 ⋅81101.

It is a cyclic number.

It is not a de Polignac number, because 942312857 - 2¹⁸ = 942050713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (942312827) 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, 7032119 + ... + 7032252.

It is an arithmetic number, because the mean of its divisors is an integer number (239094324).

Almost surely, 2^942312857 is an apocalyptic number.

It is an amenable number.

942312857 is a deficient number, since it is larger than the sum of its proper divisors (14064439).

942312857 is a wasteful number, since it uses less digits than its factorization.

942312857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14064438.

The product of its digits is 120960, while the sum is 41.

The square root of 942312857 is about 30697.1147992771. The cubic root of 942312857 is about 980.3888700384.

The spelling of 942312857 in words is "nine hundred forty-two million, three hundred twelve thousand, eight hundred fifty-seven".