86907885 has 32 divisors (see below), whose sum is σ = 142318080. Its totient is φ = 45273408.

The previous prime is 86907883. The next prime is 86907917. The reversal of 86907885 is 58870968.

It is a happy number.

It is not a de Polignac number, because 86907885 - 2¹ = 86907883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86907883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250282 + ... + 250628.

It is an arithmetic number, because the mean of its divisors is an integer number (4447440).

Almost surely, 2^86907885 is an apocalyptic number.

It is an amenable number.

86907885 is a deficient number, since it is larger than the sum of its proper divisors (55410195).

86907885 is a wasteful number, since it uses less digits than its factorization.

86907885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 86907885 is about 9322.4398630401. The cubic root of 86907885 is about 442.9483215215.

The spelling of 86907885 in words is "eighty-six million, nine hundred seven thousand, eight hundred eighty-five".