88661913 has 8 divisors (see below), whose sum is σ = 118397376. Its totient is φ = 59017200.

The previous prime is 88661899. The next prime is 88661917. The reversal of 88661913 is 31916688.

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

It is not a de Polignac number, because 88661913 - 2⁴ = 88661897 is a prime.

It is a super-4 number, since 4×88661913⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (88661917) 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, 20373 + ... + 24338.

It is an arithmetic number, because the mean of its divisors is an integer number (14799672).

Almost surely, 2^88661913 is an apocalyptic number.

It is an amenable number.

88661913 is a deficient number, since it is larger than the sum of its proper divisors (29735463).

88661913 is a wasteful number, since it uses less digits than its factorization.

88661913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45375.

The product of its digits is 62208, while the sum is 42.

The square root of 88661913 is about 9416.0455075366. The cubic root of 88661913 is about 445.9084467575.

The spelling of 88661913 in words is "eighty-eight million, six hundred sixty-one thousand, nine hundred thirteen".