2150478786 has 32 divisors (see below), whose sum is σ = 4534856640. Its totient is φ = 677968704.

The previous prime is 2150478779. The next prime is 2150478791. The reversal of 2150478786 is 6878740512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54496 + ... + 85268.

It is an arithmetic number, because the mean of its divisors is an integer number (141714270).

Almost surely, 2^2150478786 is an apocalyptic number.

2150478786 is an abundant number, since it is smaller than the sum of its proper divisors (2384377854).

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

2150478786 is a wasteful number, since it uses less digits than its factorization.

2150478786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31410.

The product of its (nonzero) digits is 752640, while the sum is 48.

The square root of 2150478786 is about 46373.2550722936. The cubic root of 2150478786 is about 1290.7586799691.

The spelling of 2150478786 in words is "two billion, one hundred fifty million, four hundred seventy-eight thousand, seven hundred eighty-six".