8150686885 has 32 divisors (see below), whose sum is σ = 11020520448. Its totient is φ = 5736107520.

The previous prime is 8150686883. The next prime is 8150686889. The reversal of 8150686885 is 5886860518.

It is a happy number.

It is not a de Polignac number, because 8150686885 - 2¹ = 8150686883 is a prime.

It is a super-2 number, since 2×8150686885² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8150686883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193644 + ... + 231946.

It is an arithmetic number, because the mean of its divisors is an integer number (344391264).

Almost surely, 2^8150686885 is an apocalyptic number.

It is an amenable number.

8150686885 is a deficient number, since it is larger than the sum of its proper divisors (2869833563).

8150686885 is a wasteful number, since it uses less digits than its factorization.

8150686885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38445.

The product of its (nonzero) digits is 3686400, while the sum is 55.

The square root of 8150686885 is about 90281.1546503477. The cubic root of 8150686885 is about 2012.4792130873.

The spelling of 8150686885 in words is "eight billion, one hundred fifty million, six hundred eighty-six thousand, eight hundred eighty-five".