803257781880 has 128 divisors (see below), whose sum is σ = 2415888115200. Its totient is φ = 213659039232.

The previous prime is 803257781861. The next prime is 803257781891. The reversal of 803257781880 is 88187752308.

803257781880 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 803257781880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219527491 + ... + 219531149.

It is an arithmetic number, because the mean of its divisors is an integer number (18874125900).

Almost surely, 2^803257781880 is an apocalyptic number.

It is an amenable number.

803257781880 is an abundant number, since it is smaller than the sum of its proper divisors (1612630333320).

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

803257781880 is a wasteful number, since it uses less digits than its factorization.

803257781880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813 (or 7809 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 57.

The spelling of 803257781880 in words is "eight hundred three billion, two hundred fifty-seven million, seven hundred eighty-one thousand, eight hundred eighty".