82387412 has 12 divisors (see below), whose sum is σ = 145133856. Its totient is φ = 40920600.

The previous prime is 82387397. The next prime is 82387427. The reversal of 82387412 is 21478328.

It is an interprime number because it is at equal distance from previous prime (82387397) and next prime (82387427).

It is a congruent 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, 67598 + ... + 68805.

It is an arithmetic number, because the mean of its divisors is an integer number (12094488).

Almost surely, 2^82387412 is an apocalyptic number.

It is an amenable number.

82387412 is a deficient number, since it is larger than the sum of its proper divisors (62746444).

82387412 is a wasteful number, since it uses less digits than its factorization.

82387412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136558 (or 136556 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 82387412 is about 9076.7511809017. The cubic root of 82387412 is about 435.1312626287.

The spelling of 82387412 in words is "eighty-two million, three hundred eighty-seven thousand, four hundred twelve".