87473751857 has 8 divisors (see below), whose sum is σ = 90002552640. Its totient is φ = 84967429680.

The previous prime is 87473751847. The next prime is 87473751877. The reversal of 87473751857 is 75815737478.

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 87473751857 - 2²⁶ = 87406642993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87473751857.

It is not an unprimeable number, because it can be changed into a prime (87473751847) 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, 5611757 + ... + 5627322.

It is an arithmetic number, because the mean of its divisors is an integer number (11250319080).

Almost surely, 2^87473751857 is an apocalyptic number.

It is an amenable number.

87473751857 is a deficient number, since it is larger than the sum of its proper divisors (2528800783).

87473751857 is a wasteful number, since it uses less digits than its factorization.

87473751857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11239303.

The product of its digits is 46099200, while the sum is 62.

The spelling of 87473751857 in words is "eighty-seven billion, four hundred seventy-three million, seven hundred fifty-one thousand, eight hundred fifty-seven".