82781070601 has 4 divisors (see below), whose sum is σ = 82969638400. Its totient is φ = 82592502804.

The previous prime is 82781070557. The next prime is 82781070667. The reversal of 82781070601 is 10607018728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82781070601 - 2³³ = 74191136009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82781074601) 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, 94283241 + ... + 94284118.

It is an arithmetic number, because the mean of its divisors is an integer number (20742409600).

Almost surely, 2^82781070601 is an apocalyptic number.

It is an amenable number.

82781070601 is a deficient number, since it is larger than the sum of its proper divisors (188567799).

82781070601 is a wasteful number, since it uses less digits than its factorization.

82781070601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188567798.

The product of its (nonzero) digits is 37632, while the sum is 40.

The spelling of 82781070601 in words is "eighty-two billion, seven hundred eighty-one million, seventy thousand, six hundred one".