88722643 has 8 divisors (see below), whose sum is σ = 94167360. Its totient is φ = 83303040.

The previous prime is 88722637. The next prime is 88722649. The reversal of 88722643 is 34622788.

It is an interprime number because it is at equal distance from previous prime (88722637) and next prime (88722649).

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

It is a cyclic number.

It is not a de Polignac number, because 88722643 - 2⁵ = 88722611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88722596 and 88722605.

It is not an unprimeable number, because it can be changed into a prime (88722649) 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, 1273 + ... + 13381.

It is an arithmetic number, because the mean of its divisors is an integer number (11770920).

Almost surely, 2^88722643 is an apocalyptic number.

88722643 is a deficient number, since it is larger than the sum of its proper divisors (5444717).

88722643 is a wasteful number, since it uses less digits than its factorization.

88722643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12557.

The product of its digits is 129024, while the sum is 40.

The square root of 88722643 is about 9419.2697699981. The cubic root of 88722643 is about 446.0102335657.

The spelling of 88722643 in words is "eighty-eight million, seven hundred twenty-two thousand, six hundred forty-three".