86881901 has 4 divisors (see below), whose sum is σ = 87014400. Its totient is φ = 86749404.

The previous prime is 86881891. The next prime is 86881903. The reversal of 86881901 is 10918868.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86881901 - 2¹⁴ = 86865517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86881903) 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, 65261 + ... + 66578.

It is an arithmetic number, because the mean of its divisors is an integer number (21753600).

Almost surely, 2^86881901 is an apocalyptic number.

It is an amenable number.

86881901 is a deficient number, since it is larger than the sum of its proper divisors (132499).

86881901 is a wasteful number, since it uses less digits than its factorization.

86881901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132498.

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 86881901 is about 9321.0461322751. The cubic root of 86881901 is about 442.9041724149.

The spelling of 86881901 in words is "eighty-six million, eight hundred eighty-one thousand, nine hundred one".