88779413 has 2 divisors, whose sum is σ = 88779414. Its totient is φ = 88779412.

The previous prime is 88779403. The next prime is 88779451. The reversal of 88779413 is 31497788.

88779413 is nontrivially palindromic in base 2 and base 8.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88774084 + 5329 = 9422^2 + 73^2 .

It is a cyclic number.

It is not a de Polignac number, because 88779413 - 2⁸ = 88779157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88779403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44389706 + 44389707.

It is an arithmetic number, because the mean of its divisors is an integer number (44389707).

Almost surely, 2^88779413 is an apocalyptic number.

It is an amenable number.

88779413 is a deficient number, since it is larger than the sum of its proper divisors (1).

88779413 is an equidigital number, since it uses as much as digits as its factorization.

88779413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The square root of 88779413 is about 9422.2827913410. The cubic root of 88779413 is about 446.1053412016.

The spelling of 88779413 in words is "eighty-eight million, seven hundred seventy-nine thousand, four hundred thirteen".