86909901 has 16 divisors (see below), whose sum is σ = 125356224. Its totient is φ = 53241984.

The previous prime is 86909887. The next prime is 86909903. The reversal of 86909901 is 10990968.

It is not a de Polignac number, because 86909901 - 2¹¹ = 86907853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86909903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3945 + ... + 13761.

It is an arithmetic number, because the mean of its divisors is an integer number (7834764).

Almost surely, 2^86909901 is an apocalyptic number.

It is an amenable number.

86909901 is a deficient number, since it is larger than the sum of its proper divisors (38446323).

86909901 is a wasteful number, since it uses less digits than its factorization.

86909901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10060.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 86909901 is about 9322.5479886134. The cubic root of 86909901 is about 442.9517465153.

The spelling of 86909901 in words is "eighty-six million, nine hundred nine thousand, nine hundred one".