82515195 has 96 divisors (see below), whose sum is σ = 182407680. Its totient is φ = 33592320.

The previous prime is 82515187. The next prime is 82515299. The reversal of 82515195 is 59151528.

It is a happy number.

It is not a de Polignac number, because 82515195 - 2³ = 82515187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 101340 + ... + 102150.

It is an arithmetic number, because the mean of its divisors is an integer number (1900080).

Almost surely, 2^82515195 is an apocalyptic number.

82515195 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

82515195 is an abundant number, since it is smaller than the sum of its proper divisors (99892485).

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

82515195 is a wasteful number, since it uses less digits than its factorization.

82515195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 862 counting only the distinct ones).

The product of its digits is 18000, while the sum is 36.

The square root of 82515195 is about 9083.7874810015. The cubic root of 82515195 is about 435.3561095039.

The spelling of 82515195 in words is "eighty-two million, five hundred fifteen thousand, one hundred ninety-five".