70430776518 has 32 divisors (see below), whose sum is σ = 149270343264. Its totient is φ = 22077734912.

The previous prime is 70430776447. The next prime is 70430776519. The reversal of 70430776518 is 81567703407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70430776519) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 159555 + ... + 407822.

It is an arithmetic number, because the mean of its divisors is an integer number (4664698227).

Almost surely, 2^70430776518 is an apocalyptic number.

70430776518 is an abundant number, since it is smaller than the sum of its proper divisors (78839566746).

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

70430776518 is a wasteful number, since it uses less digits than its factorization.

70430776518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568616.

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 70430776518 in words is "seventy billion, four hundred thirty million, seven hundred seventy-six thousand, five hundred eighteen".