86623722 has 16 divisors (see below), whose sum is σ = 192497280. Its totient is φ = 28874556.

The previous prime is 86623711. The next prime is 86623723. The reversal of 86623722 is 22732668.

86623722 is a `hidden beast` number, since 8 + 6 + 623 + 7 + 22 = 666.

It is not an unprimeable number, because it can be changed into a prime (86623723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802018 + ... + 802125.

It is an arithmetic number, because the mean of its divisors is an integer number (12031080).

Almost surely, 2^86623722 is an apocalyptic number.

86623722 is an abundant number, since it is smaller than the sum of its proper divisors (105873558).

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

86623722 is a wasteful number, since it uses less digits than its factorization.

86623722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604154 (or 1604148 counting only the distinct ones).

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

The square root of 86623722 is about 9307.1865781234. The cubic root of 86623722 is about 442.4650245266.

The spelling of 86623722 in words is "eighty-six million, six hundred twenty-three thousand, seven hundred twenty-two".