82013907 has 8 divisors (see below), whose sum is σ = 109620880. Its totient is φ = 54541440.

The previous prime is 82013887. The next prime is 82013917. The reversal of 82013907 is 70931028.

It is a happy number.

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

It is not a de Polignac number, because 82013907 - 2⁷ = 82013779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82013917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32194 + ... + 34647.

It is an arithmetic number, because the mean of its divisors is an integer number (13702610).

Almost surely, 2^82013907 is an apocalyptic number.

82013907 is a deficient number, since it is larger than the sum of its proper divisors (27606973).

82013907 is a wasteful number, since it uses less digits than its factorization.

82013907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67253.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 82013907 is about 9056.1529911989. The cubic root of 82013907 is about 434.4727076373.

The spelling of 82013907 in words is "eighty-two million, thirteen thousand, nine hundred seven".