70393081578 has 16 divisors (see below), whose sum is σ = 140817385440. Its totient is φ = 23459156816.

The previous prime is 70393081567. The next prime is 70393081579. The reversal of 70393081578 is 87518039307.

It is a self number, because there is not a number n which added to its sum of digits gives 70393081578.

It is not an unprimeable number, because it can be changed into a prime (70393081579) 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 7 ways as a sum of consecutive naturals, for example, 1271568 + ... + 1325771.

It is an arithmetic number, because the mean of its divisors is an integer number (8801086590).

Almost surely, 2^70393081578 is an apocalyptic number.

70393081578 is an abundant number, since it is smaller than the sum of its proper divisors (70424303862).

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

70393081578 is a wasteful number, since it uses less digits than its factorization.

70393081578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601861.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 70393081578 in words is "seventy billion, three hundred ninety-three million, eighty-one thousand, five hundred seventy-eight".