71571677676 has 48 divisors (see below), whose sum is σ = 181460751360. Its totient is φ = 21872496960.

The previous prime is 71571677647. The next prime is 71571677699. The reversal of 71571677676 is 67677617517.

It is an unprimeable number.

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, 5056011 + ... + 5070146.

It is an arithmetic number, because the mean of its divisors is an integer number (3780432320).

Almost surely, 2^71571677676 is an apocalyptic number.

71571677676 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

71571677676 is an abundant number, since it is smaller than the sum of its proper divisors (109889073684).

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

71571677676 is a wasteful number, since it uses less digits than its factorization.

71571677676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126214 (or 10126212 counting only the distinct ones).

The product of its digits is 18151560, while the sum is 60.

The spelling of 71571677676 in words is "seventy-one billion, five hundred seventy-one million, six hundred seventy-seven thousand, six hundred seventy-six".