42325478678 has 16 divisors (see below), whose sum is σ = 72565452960. Its totient is φ = 18137618496.

The previous prime is 42325478641. The next prime is 42325478813. The reversal of 42325478678 is 87687452324.

It is a super-2 number, since 2×42325478678² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10901 + ... + 291152.

It is an arithmetic number, because the mean of its divisors is an integer number (4535340810).

Almost surely, 2^42325478678 is an apocalyptic number.

42325478678 is a deficient number, since it is larger than the sum of its proper divisors (30239974282).

42325478678 is a wasteful number, since it uses less digits than its factorization.

42325478678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312071.

The product of its digits is 18063360, while the sum is 56.

The spelling of 42325478678 in words is "forty-two billion, three hundred twenty-five million, four hundred seventy-eight thousand, six hundred seventy-eight".