87225225108 has 24 divisors (see below), whose sum is σ = 232600600512. Its totient is φ = 24921492864.

The previous prime is 87225225097. The next prime is 87225225121. The reversal of 87225225108 is 80152252278.

It is a super-2 number, since 2×87225225108² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 87225225108.

It is a congruent 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, 519197685 + ... + 519197852.

It is an arithmetic number, because the mean of its divisors is an integer number (9691691688).

Almost surely, 2^87225225108 is an apocalyptic number.

It is an amenable number.

87225225108 is an abundant number, since it is smaller than the sum of its proper divisors (145375375404).

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

87225225108 is a wasteful number, since it uses less digits than its factorization.

87225225108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038395551 (or 1038395549 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 42.

The spelling of 87225225108 in words is "eighty-seven billion, two hundred twenty-five million, two hundred twenty-five thousand, one hundred eight".