321778361034 has 48 divisors (see below), whose sum is σ = 763541906400. Its totient is φ = 97330608288.

The previous prime is 321778361033. The next prime is 321778361059. The reversal of 321778361034 is 430163877123.

321778361034 is a `hidden beast` number, since 3 + 21 + 7 + 7 + 8 + 3 + 610 + 3 + 4 = 666.

321778361034 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (321778361033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11639764 + ... + 11667375.

It is an arithmetic number, because the mean of its divisors is an integer number (15907123050).

Almost surely, 2^321778361034 is an apocalyptic number.

321778361034 is an abundant number, since it is smaller than the sum of its proper divisors (441763545366).

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

321778361034 is a wasteful number, since it uses less digits than its factorization.

321778361034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23307219 (or 23307216 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 321778361034 in words is "three hundred twenty-one billion, seven hundred seventy-eight million, three hundred sixty-one thousand, thirty-four".