86869540 has 24 divisors (see below), whose sum is σ = 182669760. Its totient is φ = 34701408.

The previous prime is 86869537. The next prime is 86869553. The reversal of 86869540 is 4596868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15201 + ... + 20119.

It is an arithmetic number, because the mean of its divisors is an integer number (7611240).

Almost surely, 2^86869540 is an apocalyptic number.

It is an amenable number.

86869540 is an abundant number, since it is smaller than the sum of its proper divisors (95800220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86869540 is a wasteful number, since it uses less digits than its factorization.

86869540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811 (or 5809 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 86869540 is about 9320.3830393391. The cubic root of 86869540 is about 442.8831668964.

The spelling of 86869540 in words is "eighty-six million, eight hundred sixty-nine thousand, five hundred forty".