93446987481 has 81 divisors (see below), whose sum is σ = 148056457887. Its totient is φ = 56785160160.

The previous prime is 93446987479. The next prime is 93446987503. The reversal of 93446987481 is 18478964439.

The square root of 93446987481 is 305691.

It is a perfect power (a square), and thus also a powerful number.

93446987481 is a `hidden beast` number, since 9 + 34 + 46 + 9 + 87 + 481 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85004318025 + 8442669456 = 291555^2 + 91884^2 .

It is not a de Polignac number, because 93446987481 - 2¹ = 93446987479 is a prime.

It is a super-2 number, since 2×93446987481² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (93446987441) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 540155911 + ... + 540156083.

Almost surely, 2^93446987481 is an apocalyptic number.

93446987481 is the 305691-st square number.

93446987481 is the 152846-th centered octagonal number.

It is an amenable number.

93446987481 is a deficient number, since it is larger than the sum of its proper divisors (54609470406).

93446987481 is a wasteful number, since it uses less digits than its factorization.

93446987481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 226 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 93446987481 in words is "ninety-three billion, four hundred forty-six million, nine hundred eighty-seven thousand, four hundred eighty-one".