85898051 has 4 divisors (see below), whose sum is σ = 85918752. Its totient is φ = 85877352.

The previous prime is 85898027. The next prime is 85898063. The reversal of 85898051 is 15089858.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85898051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85897993 and 85898011.

It is not an unprimeable number, because it can be changed into a prime (85898081) 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, 1736 + ... + 13221.

It is an arithmetic number, because the mean of its divisors is an integer number (21479688).

Almost surely, 2^85898051 is an apocalyptic number.

85898051 is a deficient number, since it is larger than the sum of its proper divisors (20701).

85898051 is a wasteful number, since it uses less digits than its factorization.

85898051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20700.

The product of its (nonzero) digits is 115200, while the sum is 44.

The square root of 85898051 is about 9268.1201438048. The cubic root of 85898051 is about 441.2260073572.

The spelling of 85898051 in words is "eighty-five million, eight hundred ninety-eight thousand, fifty-one".