82077150009 has 4 divisors (see below), whose sum is σ = 109436200016. Its totient is φ = 54718100004.

The previous prime is 82077149993. The next prime is 82077150011. The reversal of 82077150009 is 90005177028.

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 not a de Polignac number, because 82077150009 - 2⁴ = 82077149993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82077150809) 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, 13679524999 + ... + 13679525004.

It is an arithmetic number, because the mean of its divisors is an integer number (27359050004).

Almost surely, 2^82077150009 is an apocalyptic number.

It is an amenable number.

82077150009 is a deficient number, since it is larger than the sum of its proper divisors (27359050007).

82077150009 is a wasteful number, since it uses less digits than its factorization.

82077150009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27359050006.

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 82077150009 in words is "eighty-two billion, seventy-seven million, one hundred fifty thousand, nine".