42678888 has 32 divisors (see below), whose sum is σ = 121940160. Its totient is φ = 12193920.

The previous prime is 42678859. The next prime is 42678893. The reversal of 42678888 is 88887624.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 42678888.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126853 + ... + 127188.

It is an arithmetic number, because the mean of its divisors is an integer number (3810630).

Almost surely, 2^42678888 is an apocalyptic number.

It is an amenable number.

42678888 is an abundant number, since it is smaller than the sum of its proper divisors (79261272).

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

42678888 is a wasteful number, since it uses less digits than its factorization.

42678888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254057 (or 254053 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 51.

The square root of 42678888 is about 6532.9080813984. The cubic root of 42678888 is about 349.4655462034.

The spelling of 42678888 in words is "forty-two million, six hundred seventy-eight thousand, eight hundred eighty-eight".