88815551 has 8 divisors (see below), whose sum is σ = 96963024. Its totient is φ = 80680320.

The previous prime is 88815547. The next prime is 88815583. The reversal of 88815551 is 15551888.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88815551 - 2² = 88815547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88815499 and 88815508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88815521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19175 + ... + 23351.

It is an arithmetic number, because the mean of its divisors is an integer number (12120378).

Almost surely, 2^88815551 is an apocalyptic number.

88815551 is a deficient number, since it is larger than the sum of its proper divisors (8147473).

88815551 is a wasteful number, since it uses less digits than its factorization.

88815551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121.

The product of its digits is 64000, while the sum is 41.

The square root of 88815551 is about 9424.2002843743. The cubic root of 88815551 is about 446.1658626196.

The spelling of 88815551 in words is "eighty-eight million, eight hundred fifteen thousand, five hundred fifty-one".