2150701878 has 32 divisors (see below), whose sum is σ = 4678162272. Its totient is φ = 655200000.

The previous prime is 2150701873. The next prime is 2150701879. The reversal of 2150701878 is 8781070512.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150701873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128623 + ... + 144378.

It is an arithmetic number, because the mean of its divisors is an integer number (146192571).

Almost surely, 2^2150701878 is an apocalyptic number.

2150701878 is an abundant number, since it is smaller than the sum of its proper divisors (2527460394).

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

2150701878 is a wasteful number, since it uses less digits than its factorization.

2150701878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273120.

The product of its (nonzero) digits is 31360, while the sum is 39.

The square root of 2150701878 is about 46375.6604050012. The cubic root of 2150701878 is about 1290.8033131271.

The spelling of 2150701878 in words is "two billion, one hundred fifty million, seven hundred one thousand, eight hundred seventy-eight".