82807954 has 8 divisors (see below), whose sum is σ = 125351820. Its totient is φ = 41024016.

The previous prime is 82807951. The next prime is 82807957. The reversal of 82807954 is 45970828.

It is an interprime number because it is at equal distance from previous prime (82807951) and next prime (82807957).

It can be written as a sum of positive squares in 2 ways, for example, as 82391929 + 416025 = 9077^2 + 645^2 .

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

It is a super-2 number, since 2×82807954² = 13714314491332232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82807954.

It is not an unprimeable number, because it can be changed into a prime (82807951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189709 + ... + 190144.

Almost surely, 2^82807954 is an apocalyptic number.

82807954 is a deficient number, since it is larger than the sum of its proper divisors (42543866).

82807954 is a wasteful number, since it uses less digits than its factorization.

82807954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379964.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 82807954 is about 9099.8875817232. The cubic root of 82807954 is about 435.8703743093.

The spelling of 82807954 in words is "eighty-two million, eight hundred seven thousand, nine hundred fifty-four".