88127981 has 8 divisors (see below), whose sum is σ = 90913824. Its totient is φ = 85385520.

The previous prime is 88127971. The next prime is 88127993. The reversal of 88127981 is 18972188.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88127981 is a prime.

It is a super-2 number, since 2×88127981² = 15533082070272722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88127911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6695 + ... + 14868.

It is an arithmetic number, because the mean of its divisors is an integer number (11364228).

Almost surely, 2^88127981 is an apocalyptic number.

It is an amenable number.

88127981 is a deficient number, since it is larger than the sum of its proper divisors (2785843).

88127981 is a wasteful number, since it uses less digits than its factorization.

88127981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21691.

The product of its digits is 64512, while the sum is 44.

The square root of 88127981 is about 9387.6504515241. The cubic root of 88127981 is about 445.0115403311.

The spelling of 88127981 in words is "eighty-eight million, one hundred twenty-seven thousand, nine hundred eighty-one".