88197991987960 has 32 divisors (see below), whose sum is σ = 199484463571200. Its totient is φ = 35094488955520.

The previous prime is 88197991987907. The next prime is 88197991988003. The reversal of 88197991987960 is 6978919979188.

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, 5772112255 + ... + 5772127534.

It is an arithmetic number, because the mean of its divisors is an integer number (6233889486600).

Almost surely, 2^{88197991987960} is an apocalyptic number.

It is an amenable number.

88197991987960 is an abundant number, since it is smaller than the sum of its proper divisors (111286471583240).

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

88197991987960 is a wasteful number, since it uses less digits than its factorization.

88197991987960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11544239991 (or 11544239987 counting only the distinct ones).

The product of its (nonzero) digits is 8888527872, while the sum is 91.

The spelling of 88197991987960 in words is "eighty-eight trillion, one hundred ninety-seven billion, nine hundred ninety-one million, nine hundred eighty-seven thousand, nine hundred sixty".