421768888574 has 96 divisors (see below), whose sum is σ = 754409230848. Its totient is φ = 176036889600.

The previous prime is 421768888573. The next prime is 421768888579. The reversal of 421768888574 is 475888867124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421768888571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39460259 + ... + 39470945.

It is an arithmetic number, because the mean of its divisors is an integer number (7858429488).

Almost surely, 2^421768888574 is an apocalyptic number.

421768888574 is a deficient number, since it is larger than the sum of its proper divisors (332640342274).

421768888574 is a wasteful number, since it uses less digits than its factorization.

421768888574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10962 (or 10951 counting only the distinct ones).

The product of its digits is 192675840, while the sum is 68.

The spelling of 421768888574 in words is "four hundred twenty-one billion, seven hundred sixty-eight million, eight hundred eighty-eight thousand, five hundred seventy-four".