85902851 has 2 divisors, whose sum is σ = 85902852. Its totient is φ = 85902850.

The previous prime is 85902841. The next prime is 85902919. The reversal of 85902851 is 15820958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85902851 - 2⁶ = 85902787 is a prime.

It is not a weakly prime, because it can be changed into another prime (85902841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42951425 + 42951426.

It is an arithmetic number, because the mean of its divisors is an integer number (42951426).

Almost surely, 2^85902851 is an apocalyptic number.

85902851 is a deficient number, since it is larger than the sum of its proper divisors (1).

85902851 is an equidigital number, since it uses as much as digits as its factorization.

85902851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 85902851 is about 9268.3790923764. The cubic root of 85902851 is about 441.2342258028.

The spelling of 85902851 in words is "eighty-five million, nine hundred two thousand, eight hundred fifty-one".