82426570883813 has 4 divisors (see below), whose sum is σ = 88767076336428. Its totient is φ = 76086065431200.

The previous prime is 82426570883773. The next prime is 82426570883887. The reversal of 82426570883813 is 31838807562428.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10817369706529 + 71609201177284 = 3288977^2 + 8462222^2 .

It is a cyclic number.

It is not a de Polignac number, because 82426570883813 - 2³⁸ = 82151692976869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82426570883813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82426570813813) 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, 3170252726288 + ... + 3170252726313.

It is an arithmetic number, because the mean of its divisors is an integer number (22191769084107).

Almost surely, 2^{82426570883813} is an apocalyptic number.

It is an amenable number.

82426570883813 is a deficient number, since it is larger than the sum of its proper divisors (6340505452615).

82426570883813 is a wasteful number, since it uses less digits than its factorization.

82426570883813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6340505452614.

The product of its (nonzero) digits is 123863040, while the sum is 65.

The spelling of 82426570883813 in words is "eighty-two trillion, four hundred twenty-six billion, five hundred seventy million, eight hundred eighty-three thousand, eight hundred thirteen".