82865403575 has 6 divisors (see below), whose sum is σ = 102753100464. Its totient is φ = 66292322840.

The previous prime is 82865403563. The next prime is 82865403739. The reversal of 82865403575 is 57530456828.

It is not a de Polignac number, because 82865403575 - 2¹⁸ = 82865141431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1657308047 + ... + 1657308096.

It is an arithmetic number, because the mean of its divisors is an integer number (17125516744).

Almost surely, 2^82865403575 is an apocalyptic number.

82865403575 is a deficient number, since it is larger than the sum of its proper divisors (19887696889).

82865403575 is a wasteful number, since it uses less digits than its factorization.

82865403575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314616153 (or 3314616148 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 82865403575 in words is "eighty-two billion, eight hundred sixty-five million, four hundred three thousand, five hundred seventy-five".