88390388839 has 4 divisors (see below), whose sum is σ = 88390983600. Its totient is φ = 88389794080.

The previous prime is 88390388833. The next prime is 88390388917. The reversal of 88390388839 is 93888309388.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 88390388839 - 2¹⁹ = 88389864551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88390388833) 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, 138687 + ... + 442735.

It is an arithmetic number, because the mean of its divisors is an integer number (22097745900).

Almost surely, 2^88390388839 is an apocalyptic number.

88390388839 is a deficient number, since it is larger than the sum of its proper divisors (594761).

88390388839 is a wasteful number, since it uses less digits than its factorization.

88390388839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594760.

The product of its (nonzero) digits is 71663616, while the sum is 67.

The spelling of 88390388839 in words is "eighty-eight billion, three hundred ninety million, three hundred eighty-eight thousand, eight hundred thirty-nine".