86793885 has 12 divisors (see below), whose sum is σ = 150442812. Its totient is φ = 46290048.

The previous prime is 86793871. The next prime is 86793899. The reversal of 86793885 is 58839768.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86793871) and next prime (86793899).

It can be written as a sum of positive squares in 2 ways, for example, as 67026969 + 19766916 = 8187^2 + 4446^2 .

It is not a de Polignac number, because 86793885 - 2⁴ = 86793869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 964332 + ... + 964421.

It is an arithmetic number, because the mean of its divisors is an integer number (12536901).

Almost surely, 2^86793885 is an apocalyptic number.

It is an amenable number.

86793885 is a deficient number, since it is larger than the sum of its proper divisors (63648927).

86793885 is a wasteful number, since it uses less digits than its factorization.

86793885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928764 (or 1928761 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 86793885 is about 9316.3235774634. The cubic root of 86793885 is about 442.7545600314.

It can be divided in two parts, 86793 and 885, that added together give a palindrome (87678).

The spelling of 86793885 in words is "eighty-six million, seven hundred ninety-three thousand, eight hundred eighty-five".