42278761475 has 12 divisors (see below), whose sum is σ = 52492303224. Its totient is φ = 33780016320.

The previous prime is 42278761457. The next prime is 42278761519. The reversal of 42278761475 is 57416787224.

It is a happy number.

It is not a de Polignac number, because 42278761475 - 2¹⁸ = 42278499331 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1054754 + ... + 1094103.

It is an arithmetic number, because the mean of its divisors is an integer number (4374358602).

Almost surely, 2^42278761475 is an apocalyptic number.

42278761475 is a deficient number, since it is larger than the sum of its proper divisors (10213541749).

42278761475 is a wasteful number, since it uses less digits than its factorization.

42278761475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149654 (or 2149649 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 53.

The spelling of 42278761475 in words is "forty-two billion, two hundred seventy-eight million, seven hundred sixty-one thousand, four hundred seventy-five".