801777340 has 48 divisors (see below), whose sum is σ = 2072290752. Its totient is φ = 253748736.

The previous prime is 801777313. The next prime is 801777359. The reversal of 801777340 is 43777108.

It is a self number, because there is not a number n which added to its sum of digits gives 801777340.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 218449 + ... + 222088.

It is an arithmetic number, because the mean of its divisors is an integer number (43172724).

Almost surely, 2^801777340 is an apocalyptic number.

It is an amenable number.

801777340 is an abundant number, since it is smaller than the sum of its proper divisors (1270513412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

801777340 is a wasteful number, since it uses less digits than its factorization.

801777340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440566 (or 440564 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 801777340 is about 28315.6730451529. The cubic root of 801777340 is about 929.0047316939.

The spelling of 801777340 in words is "eight hundred one million, seven hundred seventy-seven thousand, three hundred forty".