82615190 has 32 divisors (see below), whose sum is σ = 173574144. Its totient is φ = 27721440.

The previous prime is 82615177. The next prime is 82615193. The reversal of 82615190 is 9151628.

It is a super-2 number, since 2×82615190² = 13650539237472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82615193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9266 + ... + 15845.

It is an arithmetic number, because the mean of its divisors is an integer number (5424192).

Almost surely, 2^82615190 is an apocalyptic number.

82615190 is an abundant number, since it is smaller than the sum of its proper divisors (90958954).

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

82615190 is a wasteful number, since it uses less digits than its factorization.

82615190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25172.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 82615190 is about 9089.2898512480. The cubic root of 82615190 is about 435.5318987867.

The spelling of 82615190 in words is "eighty-two million, six hundred fifteen thousand, one hundred ninety".