88538819 has 4 divisors (see below), whose sum is σ = 88564896. Its totient is φ = 88512744.

The previous prime is 88538809. The next prime is 88538833. The reversal of 88538819 is 91883588.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88538819 - 2¹² = 88534723 is a prime.

It is a super-2 number, since 2×88538819² = 15678244939829522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88538809) 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, 7019 + ... + 15044.

It is an arithmetic number, because the mean of its divisors is an integer number (22141224).

Almost surely, 2^88538819 is an apocalyptic number.

88538819 is a deficient number, since it is larger than the sum of its proper divisors (26077).

88538819 is a wasteful number, since it uses less digits than its factorization.

88538819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26076.

The product of its digits is 552960, while the sum is 50.

The square root of 88538819 is about 9409.5068414875. The cubic root of 88538819 is about 445.7019917958.

The spelling of 88538819 in words is "eighty-eight million, five hundred thirty-eight thousand, eight hundred nineteen".