86420156 has 6 divisors (see below), whose sum is σ = 151235280. Its totient is φ = 43210076.

The previous prime is 86420141. The next prime is 86420161. The reversal of 86420156 is 65102468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10802516 + ... + 10802523.

It is an arithmetic number, because the mean of its divisors is an integer number (25205880).

Almost surely, 2^86420156 is an apocalyptic number.

It is an amenable number.

86420156 is a deficient number, since it is larger than the sum of its proper divisors (64815124).

86420156 is a wasteful number, since it uses less digits than its factorization.

86420156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21605043 (or 21605041 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 86420156 is about 9296.2441878427. The cubic root of 86420156 is about 442.1181546356.

The spelling of 86420156 in words is "eighty-six million, four hundred twenty thousand, one hundred fifty-six".