84195557325 has 144 divisors (see below), whose sum is σ = 171573310272. Its totient is φ = 40590720000.

The previous prime is 84195557317. The next prime is 84195557363. The reversal of 84195557325 is 52375559148.

84195557325 is a `hidden beast` number, since 8 + 4 + 19 + 55 + 573 + 2 + 5 = 666.

It is not a de Polignac number, because 84195557325 - 2³ = 84195557317 is a prime.

It is a super-2 number, since 2×84195557325² (a number of 23 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 143 ways as a sum of consecutive naturals, for example, 12091845 + ... + 12098805.

Almost surely, 2^84195557325 is an apocalyptic number.

It is an amenable number.

84195557325 is an abundant number, since it is smaller than the sum of its proper divisors (87377752947).

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

84195557325 is a wasteful number, since it uses less digits than its factorization.

84195557325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7178 (or 7161 counting only the distinct ones).

The product of its digits is 7560000, while the sum is 54.

The spelling of 84195557325 in words is "eighty-four billion, one hundred ninety-five million, five hundred fifty-seven thousand, three hundred twenty-five".