859888428 has 24 divisors (see below), whose sum is σ = 2293036032. Its totient is φ = 245682384.

The previous prime is 859888427. The next prime is 859888429. The reversal of 859888428 is 824888958.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (859888427) and next prime (859888429).

It is a super-2 number, since 2×859888428² = 1478816217216622368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (859888423) 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, 5118300 + ... + 5118467.

It is an arithmetic number, because the mean of its divisors is an integer number (95543168).

Almost surely, 2^859888428 is an apocalyptic number.

It is an amenable number.

859888428 is an abundant number, since it is smaller than the sum of its proper divisors (1433147604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

859888428 is a wasteful number, since it uses less digits than its factorization.

859888428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10236781 (or 10236779 counting only the distinct ones).

The product of its digits is 11796480, while the sum is 60.

The square root of 859888428 is about 29323.8542487170. The cubic root of 859888428 is about 950.9274149295.

The spelling of 859888428 in words is "eight hundred fifty-nine million, eight hundred eighty-eight thousand, four hundred twenty-eight".