86157946 has 16 divisors (see below), whose sum is σ = 148250880. Its totient is φ = 36786960.

The previous prime is 86157937. The next prime is 86157947. The reversal of 86157946 is 64975168.

It is a junction number, because it is equal to n+sod(n) for n = 86157896 and 86157905.

It is not an unprimeable number, because it can be changed into a prime (86157947) 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 7 ways as a sum of consecutive naturals, for example, 7561 + ... + 15148.

It is an arithmetic number, because the mean of its divisors is an integer number (9265680).

Almost surely, 2^86157946 is an apocalyptic number.

86157946 is a deficient number, since it is larger than the sum of its proper divisors (62092934).

86157946 is a wasteful number, since it uses less digits than its factorization.

86157946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22989.

The product of its digits is 362880, while the sum is 46.

The square root of 86157946 is about 9282.1304666547. The cubic root of 86157946 is about 441.6705536306.

It can be divided in two parts, 8615 and 7946, that added together give a palindrome (16561).

The spelling of 86157946 in words is "eighty-six million, one hundred fifty-seven thousand, nine hundred forty-six".