88561611 has 6 divisors (see below), whose sum is σ = 127922340. Its totient is φ = 59041068.

The previous prime is 88561601. The next prime is 88561643. The reversal of 88561611 is 11616588.

88561611 is a `hidden beast` number, since 88 + 561 + 6 + 11 = 666.

It is not a de Polignac number, because 88561611 - 2⁵ = 88561579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88561601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4920081 + ... + 4920098.

It is an arithmetic number, because the mean of its divisors is an integer number (21320390).

Almost surely, 2^88561611 is an apocalyptic number.

88561611 is a deficient number, since it is larger than the sum of its proper divisors (39360729).

88561611 is a wasteful number, since it uses less digits than its factorization.

88561611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9840185 (or 9840182 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 88561611 is about 9410.7178790993. The cubic root of 88561611 is about 445.7402332827.

The spelling of 88561611 in words is "eighty-eight million, five hundred sixty-one thousand, six hundred eleven".