8125087907772 has 144 divisors (see below), whose sum is σ = 23733655755264. Its totient is φ = 2316325440000.

The previous prime is 8125087907701. The next prime is 8125087907831. The reversal of 8125087907772 is 2777097805218.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15570247 + ... + 16083617.

It is an arithmetic number, because the mean of its divisors is an integer number (164817053856).

Almost surely, 2^{8125087907772} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8125087907772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11866827877632).

8125087907772 is an abundant number, since it is smaller than the sum of its proper divisors (15608567847492).

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

8125087907772 is a wasteful number, since it uses less digits than its factorization.

8125087907772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515760 (or 515755 counting only the distinct ones).

The product of its (nonzero) digits is 27659520, while the sum is 63.

The spelling of 8125087907772 in words is "eight trillion, one hundred twenty-five billion, eighty-seven million, nine hundred seven thousand, seven hundred seventy-two".