93193056887 has 4 divisors (see below), whose sum is σ = 106506350736. Its totient is φ = 79879763040.

The previous prime is 93193056881. The next prime is 93193056917. The reversal of 93193056887 is 78865039139.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78865039139 = 823 ⋅95826293.

It is a de Polignac number, because none of the positive numbers 2^k-93193056887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93193056881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6656646914 + ... + 6656646927.

It is an arithmetic number, because the mean of its divisors is an integer number (26626587684).

Almost surely, 2^93193056887 is an apocalyptic number.

93193056887 is a deficient number, since it is larger than the sum of its proper divisors (13313293849).

93193056887 is a wasteful number, since it uses less digits than its factorization.

93193056887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13313293848.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 93193056887 in words is "ninety-three billion, one hundred ninety-three million, fifty-six thousand, eight hundred eighty-seven".