71276955856 has 40 divisors (see below), whose sum is σ = 142916433120. Its totient is φ = 34396247424.

The previous prime is 71276955847. The next prime is 71276955857. The reversal of 71276955856 is 65855967217.

It is a junction number, because it is equal to n+sod(n) for n = 71276955794 and 71276955803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71276955857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227675 + ... + 1284421.

It is an arithmetic number, because the mean of its divisors is an integer number (3572910828).

Almost surely, 2^71276955856 is an apocalyptic number.

It is an amenable number.

71276955856 is an abundant number, since it is smaller than the sum of its proper divisors (71639477264).

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

71276955856 is a wasteful number, since it uses less digits than its factorization.

71276955856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59491 (or 59485 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 61.

The spelling of 71276955856 in words is "seventy-one billion, two hundred seventy-six million, nine hundred fifty-five thousand, eight hundred fifty-six".