8129764794 has 16 divisors (see below), whose sum is σ = 16277871168. Its totient is φ = 2706864672.

The previous prime is 8129764729. The next prime is 8129764831. The reversal of 8129764794 is 4974679218.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758467 + ... + 769110.

It is an arithmetic number, because the mean of its divisors is an integer number (1017366948).

Almost surely, 2^8129764794 is an apocalyptic number.

8129764794 is an abundant number, since it is smaller than the sum of its proper divisors (8148106374).

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

8129764794 is a wasteful number, since it uses less digits than its factorization.

8129764794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528469.

The product of its digits is 6096384, while the sum is 57.

The square root of 8129764794 is about 90165.2083344790. The cubic root of 8129764794 is about 2010.7557856786.

The spelling of 8129764794 in words is "eight billion, one hundred twenty-nine million, seven hundred sixty-four thousand, seven hundred ninety-four".