88117660 has 48 divisors (see below), whose sum is σ = 192981600. Its totient is φ = 33755904.

The previous prime is 88117657. The next prime is 88117661. The reversal of 88117660 is 6671188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88117661) 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, 80074 + ... + 81166.

It is an arithmetic number, because the mean of its divisors is an integer number (4020450).

Almost surely, 2^88117660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88117660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96490800).

88117660 is an abundant number, since it is smaller than the sum of its proper divisors (104863940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88117660 is a wasteful number, since it uses less digits than its factorization.

88117660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 88117660 is about 9387.1007238657. The cubic root of 88117660 is about 444.9941673267.

It can be divided in two parts, 8811 and 7660, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 88117660 in words is "eighty-eight million, one hundred seventeen thousand, six hundred sixty".