88499661 has 8 divisors (see below), whose sum is σ = 118068384. Its totient is φ = 58965360.

The previous prime is 88499647. The next prime is 88499669. The reversal of 88499661 is 16699488.

It is a happy number.

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

It is not a de Polignac number, because 88499661 - 2⁹ = 88499149 is a prime.

It is a super-2 number, since 2×88499661² = 15664379994229842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88499669) 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, 1846 + ... + 13431.

It is an arithmetic number, because the mean of its divisors is an integer number (14758548).

Almost surely, 2^88499661 is an apocalyptic number.

It is an amenable number.

88499661 is a deficient number, since it is larger than the sum of its proper divisors (29568723).

88499661 is a wasteful number, since it uses less digits than its factorization.

88499661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17211.

The product of its digits is 746496, while the sum is 51.

The square root of 88499661 is about 9407.4258434494. The cubic root of 88499661 is about 445.6362753400.

The spelling of 88499661 in words is "eighty-eight million, four hundred ninety-nine thousand, six hundred sixty-one".