71455650838 has 96 divisors (see below), whose sum is σ = 128372608512. Its totient is φ = 29568240000.

The previous prime is 71455650767. The next prime is 71455650901. The reversal of 71455650838 is 83805655417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95146963 + ... + 95147713.

It is an arithmetic number, because the mean of its divisors is an integer number (1337214672).

Almost surely, 2^71455650838 is an apocalyptic number.

71455650838 is a deficient number, since it is larger than the sum of its proper divisors (56916957674).

71455650838 is a wasteful number, since it uses less digits than its factorization.

71455650838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 71455650838 in words is "seventy-one billion, four hundred fifty-five million, six hundred fifty thousand, eight hundred thirty-eight".