86998722 has 8 divisors (see below), whose sum is σ = 173997456. Its totient is φ = 28999572.

The previous prime is 86998721. The next prime is 86998727. The reversal of 86998722 is 22789968.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

86998722 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (86998721) 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, 7249888 + ... + 7249899.

It is an arithmetic number, because the mean of its divisors is an integer number (21749682).

Almost surely, 2^86998722 is an apocalyptic number.

86998722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86998722 is a wasteful number, since it uses less digits than its factorization.

86998722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14499792.

The product of its digits is 870912, while the sum is 51.

The square root of 86998722 is about 9327.3105448462. The cubic root of 86998722 is about 443.1025924734.

The spelling of 86998722 in words is "eighty-six million, nine hundred ninety-eight thousand, seven hundred twenty-two".