88347921551 has 4 divisors (see below), whose sum is σ = 88594016400. Its totient is φ = 88101826704.

The previous prime is 88347921547. The next prime is 88347921553. The reversal of 88347921551 is 15512974388.

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 88347921551 - 2² = 88347921547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88347921493 and 88347921502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88347921553) 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, 123046886 + ... + 123047603.

It is an arithmetic number, because the mean of its divisors is an integer number (22148504100).

Almost surely, 2^88347921551 is an apocalyptic number.

88347921551 is a deficient number, since it is larger than the sum of its proper divisors (246094849).

88347921551 is a wasteful number, since it uses less digits than its factorization.

88347921551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246094848.

The product of its digits is 2419200, while the sum is 53.

The spelling of 88347921551 in words is "eighty-eight billion, three hundred forty-seven million, nine hundred twenty-one thousand, five hundred fifty-one".