86101551 has 12 divisors (see below), whose sum is σ = 128657880. Its totient is φ = 55421520.

The previous prime is 86101541. The next prime is 86101571. The reversal of 86101551 is 15510168.

86101551 is a `hidden beast` number, since 8 + 6 + 101 + 551 = 666.

It is not a de Polignac number, because 86101551 - 2¹⁸ = 85839407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86101501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164685 + ... + 165206.

It is an arithmetic number, because the mean of its divisors is an integer number (10721490).

Almost surely, 2^86101551 is an apocalyptic number.

86101551 is a deficient number, since it is larger than the sum of its proper divisors (42556329).

86101551 is a wasteful number, since it uses less digits than its factorization.

86101551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329926 (or 329923 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 86101551 is about 9279.0921430924. The cubic root of 86101551 is about 441.5741669031.

The spelling of 86101551 in words is "eighty-six million, one hundred one thousand, five hundred fifty-one".