802378791 has 10 divisors (see below), whose sum is σ = 1198615352. Its totient is φ = 534919140.

The previous prime is 802378771. The next prime is 802378793. The reversal of 802378791 is 197873208.

It is not a de Polignac number, because 802378791 - 2⁷ = 802378663 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 (802378793) 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 9 ways as a sum of consecutive naturals, for example, 4952875 + ... + 4953036.

Almost surely, 2^802378791 is an apocalyptic number.

802378791 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

802378791 is a deficient number, since it is larger than the sum of its proper divisors (396236561).

802378791 is an equidigital number, since it uses as much as digits as its factorization.

802378791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905923 (or 9905914 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 802378791 is about 28326.2915151278. The cubic root of 802378791 is about 929.2369703884.

The spelling of 802378791 in words is "eight hundred two million, three hundred seventy-eight thousand, seven hundred ninety-one".