70477144478 has 8 divisors (see below), whose sum is σ = 113847694968. Its totient is φ = 32527912824.

The previous prime is 70477144471. The next prime is 70477144481. The reversal of 70477144478 is 87444177407.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70477144471) by changing a digit.

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, 1355329676 + ... + 1355329727.

It is an arithmetic number, because the mean of its divisors is an integer number (14230961871).

Almost surely, 2^70477144478 is an apocalyptic number.

70477144478 is a deficient number, since it is larger than the sum of its proper divisors (43370550490).

70477144478 is a wasteful number, since it uses less digits than its factorization.

70477144478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710659418.

The product of its (nonzero) digits is 4917248, while the sum is 53.

The spelling of 70477144478 in words is "seventy billion, four hundred seventy-seven million, one hundred forty-four thousand, four hundred seventy-eight".