92788081 has 4 divisors (see below), whose sum is σ = 95987700. Its totient is φ = 89588464.

The previous prime is 92788079. The next prime is 92788117. The reversal of 92788081 is 18088729.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44957025 + 47831056 = 6705^2 + 6916^2 .

It is a cyclic number.

It is not a de Polignac number, because 92788081 - 2¹ = 92788079 is a prime.

It is a super-2 number, since 2×92788081² = 17219255951325122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92788181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599766 + ... + 1599823.

It is an arithmetic number, because the mean of its divisors is an integer number (23996925).

Almost surely, 2^92788081 is an apocalyptic number.

It is an amenable number.

92788081 is a deficient number, since it is larger than the sum of its proper divisors (3199619).

92788081 is a wasteful number, since it uses less digits than its factorization.

92788081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199618.

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 92788081 is about 9632.6570062470. The cubic root of 92788081 is about 452.7210946036.

The spelling of 92788081 in words is "ninety-two million, seven hundred eighty-eight thousand, eighty-one".