2158700852 has 48 divisors (see below), whose sum is σ = 4766694912. Its totient is φ = 830909280.

The previous prime is 2158700837. The next prime is 2158700867. The reversal of 2158700852 is 2580078512.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2158700837) and next prime (2158700867).

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, 16658 + ... + 67785.

It is an arithmetic number, because the mean of its divisors is an integer number (99306144).

Almost surely, 2^2158700852 is an apocalyptic number.

2158700852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2158700852 is an abundant number, since it is smaller than the sum of its proper divisors (2607994060).

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

2158700852 is a wasteful number, since it uses less digits than its factorization.

2158700852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84548 (or 84546 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 2158700852 is about 46461.8214451392. The cubic root of 2158700852 is about 1292.4016019032.

The spelling of 2158700852 in words is "two billion, one hundred fifty-eight million, seven hundred thousand, eight hundred fifty-two".