88477475481 has 12 divisors (see below), whose sum is σ = 127809437652. Its totient is φ = 58980996096.

The previous prime is 88477475467. The next prime is 88477475483. The reversal of 88477475481 is 18457477488.

88477475481 is a `hidden beast` number, since 8 + 8 + 47 + 7 + 47 + 548 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42205593600 + 46271881881 = 205440^2 + 215109^2 .

It is not a de Polignac number, because 88477475481 - 2¹⁹ = 88476951193 is a prime.

It is a super-2 number, since 2×88477475481² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88477475483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188496 + ... + 460961.

It is an arithmetic number, because the mean of its divisors is an integer number (10650786471).

Almost surely, 2^88477475481 is an apocalyptic number.

It is an amenable number.

88477475481 is a deficient number, since it is larger than the sum of its proper divisors (39331962171).

88477475481 is a wasteful number, since it uses less digits than its factorization.

88477475481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664600 (or 664597 counting only the distinct ones).

The product of its digits is 56197120, while the sum is 63.

The spelling of 88477475481 in words is "eighty-eight billion, four hundred seventy-seven million, four hundred seventy-five thousand, four hundred eighty-one".