802036779 has 4 divisors (see below), whose sum is σ = 1069382376. Its totient is φ = 534691184.

The previous prime is 802036777. The next prime is 802036787. The reversal of 802036779 is 977630208.

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

It is a cyclic number.

It is not a de Polignac number, because 802036779 - 2¹ = 802036777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 802036779.

It is not an unprimeable number, because it can be changed into a prime (802036777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133672794 + ... + 133672799.

It is an arithmetic number, because the mean of its divisors is an integer number (267345594).

Almost surely, 2^802036779 is an apocalyptic number.

802036779 is a deficient number, since it is larger than the sum of its proper divisors (267345597).

802036779 is a wasteful number, since it uses less digits than its factorization.

802036779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267345596.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 802036779 is about 28320.2538653876. The cubic root of 802036779 is about 929.1049232953.

The spelling of 802036779 in words is "eight hundred two million, thirty-six thousand, seven hundred seventy-nine".