7892193081 has 8 divisors (see below), whose sum is σ = 10885783680. Its totient is φ = 5080032272.

The previous prime is 7892193061. The next prime is 7892193097. The reversal of 7892193081 is 1803912987.

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 7892193081 - 2⁶ = 7892193017 is a prime.

It is a super-2 number, since 2×7892193081² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7892193081.

It is not an unprimeable number, because it can be changed into a prime (7892193011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45357345 + ... + 45357518.

It is an arithmetic number, because the mean of its divisors is an integer number (1360722960).

Almost surely, 2^7892193081 is an apocalyptic number.

It is an amenable number.

7892193081 is a deficient number, since it is larger than the sum of its proper divisors (2993590599).

7892193081 is a wasteful number, since it uses less digits than its factorization.

7892193081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90714895.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 7892193081 is about 88838.0159672648. The cubic root of 7892193081 is about 1990.9754298995.

The spelling of 7892193081 in words is "seven billion, eight hundred ninety-two million, one hundred ninety-three thousand, eighty-one".