86015381 has 4 divisors (see below), whose sum is σ = 86091264. Its totient is φ = 85939500.

The previous prime is 86015357. The next prime is 86015387. The reversal of 86015381 is 18351068.

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 86015381 - 2⁶ = 86015317 is a prime.

It is a super-2 number, since 2×86015381² = 14797291537150322, 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 (86015387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36215 + ... + 38516.

It is an arithmetic number, because the mean of its divisors is an integer number (21522816).

Almost surely, 2^86015381 is an apocalyptic number.

It is an amenable number.

86015381 is a deficient number, since it is larger than the sum of its proper divisors (75883).

86015381 is a wasteful number, since it uses less digits than its factorization.

86015381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75882.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 86015381 is about 9274.4477463620. The cubic root of 86015381 is about 441.4268093308.

The spelling of 86015381 in words is "eighty-six million, fifteen thousand, three hundred eighty-one".