78948445574 has 8 divisors (see below), whose sum is σ = 124655440440. Its totient is φ = 37396632096.

The previous prime is 78948445531. The next prime is 78948445711. The reversal of 78948445574 is 47554484987.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 78948445574.

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, 1038795299 + ... + 1038795374.

It is an arithmetic number, because the mean of its divisors is an integer number (15581930055).

Almost surely, 2^78948445574 is an apocalyptic number.

78948445574 is a deficient number, since it is larger than the sum of its proper divisors (45706994866).

78948445574 is a wasteful number, since it uses less digits than its factorization.

78948445574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077590694.

The product of its digits is 180633600, while the sum is 65.

The spelling of 78948445574 in words is "seventy-eight billion, nine hundred forty-eight million, four hundred forty-five thousand, five hundred seventy-four".