88381973 has 2 divisors, whose sum is σ = 88381974. Its totient is φ = 88381972.

The previous prime is 88381921. The next prime is 88381981. The reversal of 88381973 is 37918388.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74528689 + 13853284 = 8633^2 + 3722^2 .

It is a cyclic number.

It is not a de Polignac number, because 88381973 - 2¹⁰ = 88380949 is a prime.

It is a super-2 number, since 2×88381973² = 15622746302745458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88381373) 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 as a sum of consecutive naturals, namely, 44190986 + 44190987.

It is an arithmetic number, because the mean of its divisors is an integer number (44190987).

Almost surely, 2^88381973 is an apocalyptic number.

It is an amenable number.

88381973 is a deficient number, since it is larger than the sum of its proper divisors (1).

88381973 is an equidigital number, since it uses as much as digits as its factorization.

88381973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 47.

The square root of 88381973 is about 9401.1687039431. The cubic root of 88381973 is about 445.4386500746.

The spelling of 88381973 in words is "eighty-eight million, three hundred eighty-one thousand, nine hundred seventy-three".