88661396 has 6 divisors (see below), whose sum is σ = 155157450. Its totient is φ = 44330696.

The previous prime is 88661369. The next prime is 88661431. The reversal of 88661396 is 69316688.

It can be written as a sum of positive squares in only one way, i.e., 84897796 + 3763600 = 9214^2 + 1940^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 88661396.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11082671 + ... + 11082678.

It is an arithmetic number, because the mean of its divisors is an integer number (25859575).

Almost surely, 2^88661396 is an apocalyptic number.

It is an amenable number.

88661396 is a deficient number, since it is larger than the sum of its proper divisors (66496054).

88661396 is a wasteful number, since it uses less digits than its factorization.

88661396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22165353 (or 22165351 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 88661396 is about 9416.0180543582. The cubic root of 88661396 is about 445.9075800377.

The spelling of 88661396 in words is "eighty-eight million, six hundred sixty-one thousand, three hundred ninety-six".