8136777325 has 12 divisors (see below), whose sum is σ = 10091555488. Its totient is φ = 6508162800.

The previous prime is 8136777307. The next prime is 8136777349. The reversal of 8136777325 is 5237776318.

It is not a de Polignac number, because 8136777325 - 2²⁵ = 8103222893 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113440 + ... + 170710.

Almost surely, 2^8136777325 is an apocalyptic number.

It is an amenable number.

8136777325 is a deficient number, since it is larger than the sum of its proper divisors (1954778163).

8136777325 is a wasteful number, since it uses less digits than its factorization.

8136777325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62964 (or 62959 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 49.

The square root of 8136777325 is about 90204.0870748105. The cubic root of 8136777325 is about 2011.3337620136. Note that the first 3 decimals are identical.

The spelling of 8136777325 in words is "eight billion, one hundred thirty-six million, seven hundred seventy-seven thousand, three hundred twenty-five".