82015958 has 8 divisors (see below), whose sum is σ = 123100128. Its totient is φ = 40982584.

The previous prime is 82015943. The next prime is 82015961. The reversal of 82015958 is 85951028.

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

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, 8366 + ... + 15297.

It is an arithmetic number, because the mean of its divisors is an integer number (15387516).

Almost surely, 2^82015958 is an apocalyptic number.

82015958 is a deficient number, since it is larger than the sum of its proper divisors (41084170).

82015958 is a wasteful number, since it uses less digits than its factorization.

82015958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25398.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 82015958 is about 9056.2662284189. The cubic root of 82015958 is about 434.4763293649.

The spelling of 82015958 in words is "eighty-two million, fifteen thousand, nine hundred fifty-eight".