859428665950 has 24 divisors (see below), whose sum is σ = 1611124238592. Its totient is φ = 341064601920.

The previous prime is 859428665933. The next prime is 859428665957. The reversal of 859428665950 is 59566824958.

859428665950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859428665957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67665199 + ... + 67677898.

It is an arithmetic number, because the mean of its divisors is an integer number (67130176608).

Almost surely, 2^859428665950 is an apocalyptic number.

859428665950 is a deficient number, since it is larger than the sum of its proper divisors (751695572642).

859428665950 is a wasteful number, since it uses less digits than its factorization.

859428665950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135343236 (or 135343231 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 67.

The spelling of 859428665950 in words is "eight hundred fifty-nine billion, four hundred twenty-eight million, six hundred sixty-five thousand, nine hundred fifty".