986136225623 has 4 divisors (see below), whose sum is σ = 986138301768. Its totient is φ = 986134149480.

The previous prime is 986136225601. The next prime is 986136225653. The reversal of 986136225623 is 326522631689.

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 986136225623 - 2⁸ = 986136225367 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 (986136225653) 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, 65408 + ... + 1405898.

It is an arithmetic number, because the mean of its divisors is an integer number (246534575442).

Almost surely, 2^986136225623 is an apocalyptic number.

986136225623 is a deficient number, since it is larger than the sum of its proper divisors (2076145).

986136225623 is a wasteful number, since it uses less digits than its factorization.

986136225623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076144.

The product of its digits is 5598720, while the sum is 53.

It can be divided in two parts, 98613 and 6225623, that added together give a palindrome (6324236).

The spelling of 986136225623 in words is "nine hundred eighty-six billion, one hundred thirty-six million, two hundred twenty-five thousand, six hundred twenty-three".