93881057 has 4 divisors (see below), whose sum is σ = 93918660. Its totient is φ = 93843456.

The previous prime is 93881041. The next prime is 93881087. The reversal of 93881057 is 75018839.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19989841 + 73891216 = 4471^2 + 8596^2 .

It is a cyclic number.

It is not a de Polignac number, because 93881057 - 2⁴ = 93881041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93881087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14768 + ... + 20145.

It is an arithmetic number, because the mean of its divisors is an integer number (23479665).

Almost surely, 2^93881057 is an apocalyptic number.

It is an amenable number.

93881057 is a deficient number, since it is larger than the sum of its proper divisors (37603).

93881057 is a wasteful number, since it uses less digits than its factorization.

93881057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37602.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 93881057 is about 9689.2237563181. The cubic root of 93881057 is about 454.4917353086.

The spelling of 93881057 in words is "ninety-three million, eight hundred eighty-one thousand, fifty-seven".