71000842678 has 16 divisors (see below), whose sum is σ = 109768960224. Its totient is φ = 34418018880.

The previous prime is 71000842663. The next prime is 71000842681. The reversal of 71000842678 is 87624800017.

It is a super-2 number, since 2×71000842678² (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 7 ways as a sum of consecutive naturals, for example, 1686450 + ... + 1728037.

It is an arithmetic number, because the mean of its divisors is an integer number (6860560014).

Almost surely, 2^71000842678 is an apocalyptic number.

71000842678 is a deficient number, since it is larger than the sum of its proper divisors (38768117546).

71000842678 is a wasteful number, since it uses less digits than its factorization.

71000842678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414807.

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 71000842678 in words is "seventy-one billion, eight hundred forty-two thousand, six hundred seventy-eight".