8125431776 has 96 divisors (see below), whose sum is σ = 20994059520. Its totient is φ = 2999116800.

The previous prime is 8125431763. The next prime is 8125431779. The reversal of 8125431776 is 6771345218.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8125431779) 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, 39965 + ... + 133596.

It is an arithmetic number, because the mean of its divisors is an integer number (218688120).

Almost surely, 2^8125431776 is an apocalyptic number.

It is an amenable number.

8125431776 is an abundant number, since it is smaller than the sum of its proper divisors (12868627744).

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

8125431776 is a wasteful number, since it uses less digits than its factorization.

8125431776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173608 (or 173600 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 8125431776 is about 90141.1769171004. The cubic root of 8125431776 is about 2010.3984900050.

The spelling of 8125431776 in words is "eight billion, one hundred twenty-five million, four hundred thirty-one thousand, seven hundred seventy-six".