88781623 has 8 divisors (see below), whose sum is σ = 106805120. Its totient is φ = 72093240.

The previous prime is 88781603. The next prime is 88781647. The reversal of 88781623 is 32618788.

It is a happy number.

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 88781623 - 2⁵ = 88781591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88781623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88781603) 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, 333633 + ... + 333898.

It is an arithmetic number, because the mean of its divisors is an integer number (13350640).

Almost surely, 2^88781623 is an apocalyptic number.

88781623 is a deficient number, since it is larger than the sum of its proper divisors (18023497).

88781623 is a wasteful number, since it uses less digits than its factorization.

88781623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667557.

The product of its digits is 129024, while the sum is 43.

The square root of 88781623 is about 9422.4000658006. The cubic root of 88781623 is about 446.1090428278.

It can be divided in two parts, 8878 and 1623, that added together give a palindrome (10501).

The spelling of 88781623 in words is "eighty-eight million, seven hundred eighty-one thousand, six hundred twenty-three".