88651641 has 8 divisors (see below), whose sum is σ = 127294720. Its totient is φ = 54554832.

The previous prime is 88651627. The next prime is 88651649. The reversal of 88651641 is 14615688.

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

It is not a de Polignac number, because 88651641 - 2¹¹ = 88649593 is a prime.

It is a super-2 number, since 2×88651641² = 15718226903985762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 2273119 = 88651641 / (8 + 8 + 6 + 5 + 1 + 6 + 4 + 1).

It is the 9416-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 88651641.

It is not an unprimeable number, because it can be changed into a prime (88651649) by changing a digit.

It is a nontrivial repunit in base 9415.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136521 + ... + 1136598.

It is an arithmetic number, because the mean of its divisors is an integer number (15911840).

Almost surely, 2^88651641 is an apocalyptic number.

It is an amenable number.

88651641 is a deficient number, since it is larger than the sum of its proper divisors (38643079).

88651641 is a wasteful number, since it uses less digits than its factorization.

88651641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273135.

The product of its digits is 46080, while the sum is 39.

The square root of 88651641 is about 9415.5000398279. The cubic root of 88651641 is about 445.8912257272.

The spelling of 88651641 in words is "eighty-eight million, six hundred fifty-one thousand, six hundred forty-one".