88279573 has 2 divisors, whose sum is σ = 88279574. Its totient is φ = 88279572.

The previous prime is 88279571. The next prime is 88279579. The reversal of 88279573 is 37597288.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77475204 + 10804369 = 8802^2 + 3287^2 .

It is a cyclic number.

It is not a de Polignac number, because 88279573 - 2¹ = 88279571 is a prime.

Together with 88279571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88279571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44139786 + 44139787.

It is an arithmetic number, because the mean of its divisors is an integer number (44139787).

Almost surely, 2^88279573 is an apocalyptic number.

It is an amenable number.

88279573 is a deficient number, since it is larger than the sum of its proper divisors (1).

88279573 is an equidigital number, since it uses as much as digits as its factorization.

88279573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

The square root of 88279573 is about 9395.7209941547. The cubic root of 88279573 is about 445.2665541015.

The spelling of 88279573 in words is "eighty-eight million, two hundred seventy-nine thousand, five hundred seventy-three".