88491655 has 16 divisors (see below), whose sum is σ = 122566464. Its totient is φ = 60076800.

The previous prime is 88491643. The next prime is 88491659. The reversal of 88491655 is 55619488.

It is not a de Polignac number, because 88491655 - 2¹³ = 88483463 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 (88491659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8982 + ... + 16051.

It is an arithmetic number, because the mean of its divisors is an integer number (7660404).

Almost surely, 2^88491655 is an apocalyptic number.

88491655 is a deficient number, since it is larger than the sum of its proper divisors (34074809).

88491655 is a wasteful number, since it uses less digits than its factorization.

88491655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25146.

The product of its digits is 345600, while the sum is 46.

The square root of 88491655 is about 9407.0003189114. Note that the first 3 decimals coincide. The cubic root of 88491655 is about 445.6228369773.

The spelling of 88491655 in words is "eighty-eight million, four hundred ninety-one thousand, six hundred fifty-five".