82402851 has 4 divisors (see below), whose sum is σ = 109870472. Its totient is φ = 54935232.

The previous prime is 82402847. The next prime is 82402883. The reversal of 82402851 is 15820428.

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

It is not a de Polignac number, because 82402851 - 2² = 82402847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82402351) 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, 13733806 + ... + 13733811.

It is an arithmetic number, because the mean of its divisors is an integer number (27467618).

Almost surely, 2^82402851 is an apocalyptic number.

82402851 is a deficient number, since it is larger than the sum of its proper divisors (27467621).

82402851 is a wasteful number, since it uses less digits than its factorization.

82402851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27467620.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 82402851 is about 9077.6016105577. The cubic root of 82402851 is about 435.1584414246.

The spelling of 82402851 in words is "eighty-two million, four hundred two thousand, eight hundred fifty-one".