81088951 has 8 divisors (see below), whose sum is σ = 82674000. Its totient is φ = 79511040.

The previous prime is 81088937. The next prime is 81088981. The reversal of 81088951 is 15988018.

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

It is a cyclic number.

It is not a de Polignac number, because 81088951 - 2⁵ = 81088919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81088981) 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, 24961 + ... + 28021.

It is an arithmetic number, because the mean of its divisors is an integer number (10334250).

Almost surely, 2^81088951 is an apocalyptic number.

81088951 is a deficient number, since it is larger than the sum of its proper divisors (1585049).

81088951 is a wasteful number, since it uses less digits than its factorization.

81088951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569.

The product of its (nonzero) digits is 23040, while the sum is 40.

The square root of 81088951 is about 9004.9403662656. The cubic root of 81088951 is about 432.8331953013.

The spelling of 81088951 in words is "eighty-one million, eighty-eight thousand, nine hundred fifty-one".