82954891 has 4 divisors (see below), whose sum is σ = 83027992. Its totient is φ = 82881792.

The previous prime is 82954873. The next prime is 82954897. The reversal of 82954891 is 19845928.

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

It is a cyclic number.

It is not a de Polignac number, because 82954891 - 2⁷ = 82954763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82954897) 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, 34821 + ... + 37126.

It is an arithmetic number, because the mean of its divisors is an integer number (20756998).

Almost surely, 2^82954891 is an apocalyptic number.

82954891 is a deficient number, since it is larger than the sum of its proper divisors (73101).

82954891 is a wasteful number, since it uses less digits than its factorization.

82954891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73100.

The product of its digits is 207360, while the sum is 46.

The square root of 82954891 is about 9107.9575646794. The cubic root of 82954891 is about 436.1280292726.

It can be divided in two parts, 82954 and 891, that added together give a triangular number (83845 = T₄₀₉).

The spelling of 82954891 in words is "eighty-two million, nine hundred fifty-four thousand, eight hundred ninety-one".