86869546 has 16 divisors (see below), whose sum is σ = 134174304. Its totient is φ = 42157584.

The previous prime is 86869537. The next prime is 86869553. The reversal of 86869546 is 64596868.

It is a super-2 number, since 2×86869546² = 15092636044492232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86869493 and 86869502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10920 + ... + 17116.

It is an arithmetic number, because the mean of its divisors is an integer number (8385894).

Almost surely, 2^86869546 is an apocalyptic number.

86869546 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

86869546 is a deficient number, since it is larger than the sum of its proper divisors (47304758).

86869546 is a wasteful number, since it uses less digits than its factorization.

86869546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6405.

The product of its digits is 2488320, while the sum is 52.

The square root of 86869546 is about 9320.3833612143. The cubic root of 86869546 is about 442.8831770930.

The spelling of 86869546 in words is "eighty-six million, eight hundred sixty-nine thousand, five hundred forty-six".