73868571857 has 8 divisors (see below), whose sum is σ = 76481504640. Its totient is φ = 71260021840.

The previous prime is 73868571797. The next prime is 73868571859. The reversal of 73868571857 is 75817586837.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73868571857 - 2⁶ = 73868571793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73868571793 and 73868571802.

It is not an unprimeable number, because it can be changed into a prime (73868571859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061369 + ... + 1128822.

It is an arithmetic number, because the mean of its divisors is an integer number (9560188080).

Almost surely, 2^73868571857 is an apocalyptic number.

It is an amenable number.

73868571857 is a deficient number, since it is larger than the sum of its proper divisors (2612932783).

73868571857 is a wasteful number, since it uses less digits than its factorization.

73868571857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191383.

The product of its digits is 79027200, while the sum is 65.

The spelling of 73868571857 in words is "seventy-three billion, eight hundred sixty-eight million, five hundred seventy-one thousand, eight hundred fifty-seven".