869157030 has 32 divisors (see below), whose sum is σ = 2383974144. Its totient is φ = 198664416.

The previous prime is 869157019. The next prime is 869157049. The reversal of 869157030 is 30751968.

869157030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 869157030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2069212 + ... + 2069631.

It is an arithmetic number, because the mean of its divisors is an integer number (74499192).

Almost surely, 2^869157030 is an apocalyptic number.

869157030 is an abundant number, since it is smaller than the sum of its proper divisors (1514817114).

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

869157030 is a wasteful number, since it uses less digits than its factorization.

869157030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138860.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 869157030 is about 29481.4692646076. The cubic root of 869157030 is about 954.3318444381.

The spelling of 869157030 in words is "eight hundred sixty-nine million, one hundred fifty-seven thousand, thirty".