389454777572 has 24 divisors (see below), whose sum is σ = 779346508416. Its totient is φ = 166815557568.

The previous prime is 389454777527. The next prime is 389454777577. The reversal of 389454777572 is 275777454983.

It is not an unprimeable number, because it can be changed into a prime (389454777577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3850553 + ... + 3950400.

It is an arithmetic number, because the mean of its divisors is an integer number (32472771184).

Almost surely, 2^389454777572 is an apocalyptic number.

It is an amenable number.

389454777572 is an abundant number, since it is smaller than the sum of its proper divisors (389891730844).

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

389454777572 is a wasteful number, since it uses less digits than its factorization.

389454777572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7802747 (or 7802745 counting only the distinct ones).

The product of its digits is 414892800, while the sum is 68.

The spelling of 389454777572 in words is "three hundred eighty-nine billion, four hundred fifty-four million, seven hundred seventy-seven thousand, five hundred seventy-two".