88756421613 has 4 divisors (see below), whose sum is σ = 118341895488. Its totient is φ = 59170947740.

The previous prime is 88756421581. The next prime is 88756421617. The reversal of 88756421613 is 31612465788.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88756421613 - 2⁵ = 88756421581 is a prime.

It is a super-2 number, since 2×88756421613² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88756421617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14792736933 + ... + 14792736938.

It is an arithmetic number, because the mean of its divisors is an integer number (29585473872).

Almost surely, 2^88756421613 is an apocalyptic number.

It is an amenable number.

88756421613 is a deficient number, since it is larger than the sum of its proper divisors (29585473875).

88756421613 is a wasteful number, since it uses less digits than its factorization.

88756421613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29585473874.

The product of its digits is 1935360, while the sum is 51.

The spelling of 88756421613 in words is "eighty-eight billion, seven hundred fifty-six million, four hundred twenty-one thousand, six hundred thirteen".