88578869 has 2 divisors, whose sum is σ = 88578870. Its totient is φ = 88578868.

The previous prime is 88578863. The next prime is 88578877. The reversal of 88578869 is 96887588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87198244 + 1380625 = 9338^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 88578869 - 2¹⁶ = 88513333 is a prime.

It is a super-2 number, since 2×88578869² = 15692432066638322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88578863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44289434 + 44289435.

It is an arithmetic number, because the mean of its divisors is an integer number (44289435).

Almost surely, 2^88578869 is an apocalyptic number.

It is an amenable number.

88578869 is a deficient number, since it is larger than the sum of its proper divisors (1).

88578869 is an equidigital number, since it uses as much as digits as its factorization.

88578869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 59.

The square root of 88578869 is about 9411.6347676692. The cubic root of 88578869 is about 445.7691852000.

The spelling of 88578869 in words is "eighty-eight million, five hundred seventy-eight thousand, eight hundred sixty-nine".