71839104825 has 12 divisors (see below), whose sum is σ = 118773986768. Its totient is φ = 38314189200.

The previous prime is 71839104791. The next prime is 71839104829. The reversal of 71839104825 is 52840193817.

It is not a de Polignac number, because 71839104825 - 2⁹ = 71839104313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71839104829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478927291 + ... + 478927440.

Almost surely, 2^71839104825 is an apocalyptic number.

71839104825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71839104825 is a deficient number, since it is larger than the sum of its proper divisors (46934881943).

71839104825 is a wasteful number, since it uses less digits than its factorization.

71839104825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957854744 (or 957854739 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 71839104825 in words is "seventy-one billion, eight hundred thirty-nine million, one hundred four thousand, eight hundred twenty-five".