93890871243 has 24 divisors (see below), whose sum is σ = 146090559888. Its totient is φ = 57763927872.

The previous prime is 93890871233. The next prime is 93890871247. The reversal of 93890871243 is 34217809839.

It is not a de Polignac number, because 93890871243 - 2²⁹ = 93354000331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 93890871243.

It is not an unprimeable number, because it can be changed into a prime (93890871247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354421 + ... + 559817.

It is an arithmetic number, because the mean of its divisors is an integer number (6087106662).

Almost surely, 2^93890871243 is an apocalyptic number.

93890871243 is a deficient number, since it is larger than the sum of its proper divisors (52199688645).

93890871243 is a wasteful number, since it uses less digits than its factorization.

93890871243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209323 (or 209320 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 93890871243 in words is "ninety-three billion, eight hundred ninety million, eight hundred seventy-one thousand, two hundred forty-three".