74835423878 has 8 divisors (see below), whose sum is σ = 112438068672. Its totient is φ = 37356067656.

The previous prime is 74835423841. The next prime is 74835423953. The reversal of 74835423878 is 87832453847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30820625 + ... + 30823052.

It is an arithmetic number, because the mean of its divisors is an integer number (14054758584).

Almost surely, 2^74835423878 is an apocalyptic number.

74835423878 is a deficient number, since it is larger than the sum of its proper divisors (37602644794).

74835423878 is a wasteful number, since it uses less digits than its factorization.

74835423878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61644286.

The product of its digits is 36126720, while the sum is 59.

The spelling of 74835423878 in words is "seventy-four billion, eight hundred thirty-five million, four hundred twenty-three thousand, eight hundred seventy-eight".