88129551 has 4 divisors (see below), whose sum is σ = 117506072. Its totient is φ = 58753032.

The previous prime is 88129529. The next prime is 88129553. The reversal of 88129551 is 15592188.

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

It is not a de Polignac number, because 88129551 - 2⁷ = 88129423 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 (88129553) 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, 14688256 + ... + 14688261.

It is an arithmetic number, because the mean of its divisors is an integer number (29376518).

Almost surely, 2^88129551 is an apocalyptic number.

88129551 is a deficient number, since it is larger than the sum of its proper divisors (29376521).

88129551 is a wasteful number, since it uses less digits than its factorization.

88129551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29376520.

The product of its digits is 28800, while the sum is 39.

The square root of 88129551 is about 9387.7340716490. The cubic root of 88129551 is about 445.0141829423.

The spelling of 88129551 in words is "eighty-eight million, one hundred twenty-nine thousand, five hundred fifty-one".