68421286575 has 48 divisors (see below), whose sum is σ = 125783392800. Its totient is φ = 36464947200.

The previous prime is 68421286523. The next prime is 68421286613. The reversal of 68421286575 is 57568212486.

68421286575 is a `hidden beast` number, since 6 + 8 + 42 + 1 + 28 + 6 + 575 = 666.

It is not a de Polignac number, because 68421286575 - 2⁶ = 68421286511 is a prime.

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, 915105 + ... + 987045.

It is an arithmetic number, because the mean of its divisors is an integer number (2620487350).

Almost surely, 2^68421286575 is an apocalyptic number.

68421286575 is a deficient number, since it is larger than the sum of its proper divisors (57362106225).

68421286575 is a wasteful number, since it uses less digits than its factorization.

68421286575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73369 (or 73358 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 68421286575 in words is "sixty-eight billion, four hundred twenty-one million, two hundred eighty-six thousand, five hundred seventy-five".