82267993 has 8 divisors (see below), whose sum is σ = 83744000. Its totient is φ = 80803008.

The previous prime is 82267973. The next prime is 82268003. The reversal of 82267993 is 39976228.

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 82267993 - 2²¹ = 80170841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82267943) 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, 13105 + ... + 18337.

It is an arithmetic number, because the mean of its divisors is an integer number (10468000).

Almost surely, 2^82267993 is an apocalyptic number.

It is an amenable number.

82267993 is a deficient number, since it is larger than the sum of its proper divisors (1476007).

82267993 is a wasteful number, since it uses less digits than its factorization.

82267993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511.

The product of its digits is 326592, while the sum is 46.

The square root of 82267993 is about 9070.1705055638. The cubic root of 82267993 is about 434.9209227816.

The spelling of 82267993 in words is "eighty-two million, two hundred sixty-seven thousand, nine hundred ninety-three".