86623470 has 96 divisors (see below), whose sum is σ = 239241600. Its totient is φ = 21684672.

The previous prime is 86623463. The next prime is 86623487. The reversal of 86623470 is 7432668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 305949 + ... + 306231.

It is an arithmetic number, because the mean of its divisors is an integer number (2492100).

Almost surely, 2^86623470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86623470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119620800).

86623470 is an abundant number, since it is smaller than the sum of its proper divisors (152618130).

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

86623470 is a wasteful number, since it uses less digits than its factorization.

86623470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 86623470 is about 9307.1730401879. The cubic root of 86623470 is about 442.4645954629.

It can be divided in two parts, 866 and 23470, that added together give a square (24336 = 156²).

The spelling of 86623470 in words is "eighty-six million, six hundred twenty-three thousand, four hundred seventy".