86402157 has 4 divisors (see below), whose sum is σ = 115202880. Its totient is φ = 57601436.

The previous prime is 86402153. The next prime is 86402189. The reversal of 86402157 is 75120468.

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 86402157 - 2² = 86402153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86402153) 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, 14400357 + ... + 14400362.

It is an arithmetic number, because the mean of its divisors is an integer number (28800720).

Almost surely, 2^86402157 is an apocalyptic number.

It is an amenable number.

86402157 is a deficient number, since it is larger than the sum of its proper divisors (28800723).

86402157 is a wasteful number, since it uses less digits than its factorization.

86402157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28800722.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 86402157 is about 9295.2760582997. The cubic root of 86402157 is about 442.0874587210.

The spelling of 86402157 in words is "eighty-six million, four hundred two thousand, one hundred fifty-seven".