88101987 has 4 divisors (see below), whose sum is σ = 117469320. Its totient is φ = 58734656.

The previous prime is 88101967. The next prime is 88102009. The reversal of 88101987 is 78910188.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88101987 - 2⁷ = 88101859 is a prime.

It is a super-2 number, since 2×88101987² = 15523920226696338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88101947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14683662 + ... + 14683667.

It is an arithmetic number, because the mean of its divisors is an integer number (29367330).

Almost surely, 2^88101987 is an apocalyptic number.

88101987 is a deficient number, since it is larger than the sum of its proper divisors (29367333).

88101987 is a wasteful number, since it uses less digits than its factorization.

88101987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29367332.

The product of its (nonzero) digits is 32256, while the sum is 42.

The square root of 88101987 is about 9386.2658709414. The cubic root of 88101987 is about 444.9677828799.

The spelling of 88101987 in words is "eighty-eight million, one hundred one thousand, nine hundred eighty-seven".