852087431 has 8 divisors (see below), whose sum is σ = 919767744. Its totient is φ = 784712160.

The previous prime is 852087407. The next prime is 852087451. The reversal of 852087431 is 134780258.

852087431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-852087431 is a prime.

It is a super-2 number, since 2×852087431² = 1452105980136359522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852087451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70436 + ... + 81641.

It is an arithmetic number, because the mean of its divisors is an integer number (114970968).

Almost surely, 2^852087431 is an apocalyptic number.

852087431 is a deficient number, since it is larger than the sum of its proper divisors (67680313).

852087431 is a wasteful number, since it uses less digits than its factorization.

852087431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152521.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 852087431 is about 29190.5366685849. The cubic root of 852087431 is about 948.0430374303.

The spelling of 852087431 in words is "eight hundred fifty-two million, eighty-seven thousand, four hundred thirty-one".