802074902861 has 4 divisors (see below), whose sum is σ = 815669392800. Its totient is φ = 788480412924.

The previous prime is 802074902833. The next prime is 802074902873. The reversal of 802074902861 is 168209470208.

It is a happy number.

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 802074902861 - 2²² = 802070708557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802074922861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6797244881 + ... + 6797244998.

It is an arithmetic number, because the mean of its divisors is an integer number (203917348200).

Almost surely, 2^802074902861 is an apocalyptic number.

It is an amenable number.

802074902861 is a deficient number, since it is larger than the sum of its proper divisors (13594489939).

802074902861 is a wasteful number, since it uses less digits than its factorization.

802074902861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13594489938.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 802074902861 in words is "eight hundred two billion, seventy-four million, nine hundred two thousand, eight hundred sixty-one".