82051986 has 8 divisors (see below), whose sum is σ = 164103984. Its totient is φ = 27350660.

The previous prime is 82051973. The next prime is 82051999. The reversal of 82051986 is 68915028.

It is an interprime number because it is at equal distance from previous prime (82051973) and next prime (82051999).

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

82051986 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6837660 + ... + 6837671.

It is an arithmetic number, because the mean of its divisors is an integer number (20512998).

Almost surely, 2^82051986 is an apocalyptic number.

82051986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82051986 is a wasteful number, since it uses less digits than its factorization.

82051986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13675336.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 82051986 is about 9058.2551299905. The cubic root of 82051986 is about 434.5399390253.

The spelling of 82051986 in words is "eighty-two million, fifty-one thousand, nine hundred eighty-six".