82758953 has 4 divisors (see below), whose sum is σ = 85612740. Its totient is φ = 79905168.

The previous prime is 82758947. The next prime is 82758959. The reversal of 82758953 is 35985728.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (82758947) and next prime (82758959).

It can be written as a sum of positive squares in 2 ways, for example, as 38775529 + 43983424 = 6227^2 + 6632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82758953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 82758898 and 82758907.

It is not an unprimeable number, because it can be changed into a prime (82758959) 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, 1426850 + ... + 1426907.

It is an arithmetic number, because the mean of its divisors is an integer number (21403185).

Almost surely, 2^82758953 is an apocalyptic number.

It is an amenable number.

82758953 is a deficient number, since it is larger than the sum of its proper divisors (2853787).

82758953 is a wasteful number, since it uses less digits than its factorization.

82758953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853786.

The product of its digits is 604800, while the sum is 47.

The square root of 82758953 is about 9097.1947874056. The cubic root of 82758953 is about 435.7843829788.

The spelling of 82758953 in words is "eighty-two million, seven hundred fifty-eight thousand, nine hundred fifty-three".