70782278896 has 30 divisors (see below), whose sum is σ = 159530979840. Its totient is φ = 30335262048.

The previous prime is 70782278867. The next prime is 70782278971. The reversal of 70782278896 is 69887228707.

It is a happy number.

It is a super-2 number, since 2×70782278896² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45140976 + ... + 45142543.

It is an arithmetic number, because the mean of its divisors is an integer number (5317699328).

Almost surely, 2^70782278896 is an apocalyptic number.

It is an amenable number.

70782278896 is an abundant number, since it is smaller than the sum of its proper divisors (88748700944).

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

70782278896 is a wasteful number, since it uses less digits than its factorization.

70782278896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90283541 (or 90283528 counting only the distinct ones).

The product of its (nonzero) digits is 37933056, while the sum is 64.

The spelling of 70782278896 in words is "seventy billion, seven hundred eighty-two million, two hundred seventy-eight thousand, eight hundred ninety-six".