82631995 has 8 divisors (see below), whose sum is σ = 99246816. Its totient is φ = 66046656.

The previous prime is 82631993. The next prime is 82631999. The reversal of 82631995 is 59913628.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82631995 - 2¹ = 82631993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82631993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642 + ... + 12871.

It is an arithmetic number, because the mean of its divisors is an integer number (12405852).

Almost surely, 2^82631995 is an apocalyptic number.

82631995 is a deficient number, since it is larger than the sum of its proper divisors (16614821).

82631995 is a wasteful number, since it uses less digits than its factorization.

82631995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14741.

The product of its digits is 116640, while the sum is 43.

The square root of 82631995 is about 9090.2142438999. The cubic root of 82631995 is about 435.5614277282.

The spelling of 82631995 in words is "eighty-two million, six hundred thirty-one thousand, nine hundred ninety-five".