8134777848925 has 192 divisors, whose sum is σ = 13517534822400. Its totient is φ = 4711018060800.

The previous prime is 8134777848919. The next prime is 8134777848943. The reversal of 8134777848925 is 5298487774318.

It is not a de Polignac number, because 8134777848925 - 2¹⁷ = 8134777717853 is a prime.

It is a super-2 number, since 2×8134777848925² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 682041312 + ... + 682053238.

It is an arithmetic number, because the mean of its divisors is an integer number (70403827200).

Almost surely, 2^{8134777848925} is an apocalyptic number.

It is an amenable number.

8134777848925 is a deficient number, since it is larger than the sum of its proper divisors (5382756973475).

8134777848925 is a wasteful number, since it uses less digits than its factorization.

8134777848925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12516 (or 12511 counting only the distinct ones).

The product of its digits is 758661120, while the sum is 73.

The spelling of 8134777848925 in words is "eight trillion, one hundred thirty-four billion, seven hundred seventy-seven million, eight hundred forty-eight thousand, nine hundred twenty-five".