783828393894 has 96 divisors (see below), whose sum is σ = 2213162602560. Its totient is φ = 194563731456.

The previous prime is 783828393883. The next prime is 783828393941. The reversal of 783828393894 is 498393828387.

783828393894 is a `hidden beast` number, since 7 + 8 + 382 + 83 + 93 + 89 + 4 = 666.

It is a super-2 number, since 2×783828393894² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14046499 + ... + 14102190.

It is an arithmetic number, because the mean of its divisors is an integer number (23053777110).

Almost surely, 2^783828393894 is an apocalyptic number.

783828393894 is an abundant number, since it is smaller than the sum of its proper divisors (1429334208666).

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

783828393894 is a wasteful number, since it uses less digits than its factorization.

783828393894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28148734 (or 28148731 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 72.

The spelling of 783828393894 in words is "seven hundred eighty-three billion, eight hundred twenty-eight million, three hundred ninety-three thousand, eight hundred ninety-four".