86814736 has 20 divisors (see below), whose sum is σ = 169695612. Its totient is φ = 43022336.

The previous prime is 86814731. The next prime is 86814737. The reversal of 86814736 is 63741868.

It can be written as a sum of positive squares in 2 ways, for example, as 6533136 + 80281600 = 2556^2 + 8960^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86814692 and 86814701.

It is not an unprimeable number, because it can be changed into a prime (86814731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22201 + ... + 25816.

Almost surely, 2^86814736 is an apocalyptic number.

It is an amenable number.

86814736 is a deficient number, since it is larger than the sum of its proper divisors (82880876).

86814736 is a wasteful number, since it uses less digits than its factorization.

86814736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48138 (or 48132 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 86814736 is about 9317.4425675719. The cubic root of 86814736 is about 442.7900123606.

The spelling of 86814736 in words is "eighty-six million, eight hundred fourteen thousand, seven hundred thirty-six".