88778144959213 has 2 divisors, whose sum is σ = 88778144959214. Its totient is φ = 88778144959212.

The previous prime is 88778144959171. The next prime is 88778144959243. The reversal of 88778144959213 is 31295944187788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51440997928644 + 37337147030569 = 7172238^2 + 6110413^2 .

It is a cyclic number.

It is not a de Polignac number, because 88778144959213 - 2¹⁷ = 88778144828141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88778144959213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88778144959243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44389072479606 + 44389072479607.

It is an arithmetic number, because the mean of its divisors is an integer number (44389072479607).

Almost surely, 2^{88778144959213} is an apocalyptic number.

It is an amenable number.

88778144959213 is a deficient number, since it is larger than the sum of its proper divisors (1).

88778144959213 is an equidigital number, since it uses as much as digits as its factorization.

88778144959213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 975421440, while the sum is 76.

The spelling of 88778144959213 in words is "eighty-eight trillion, seven hundred seventy-eight billion, one hundred forty-four million, nine hundred fifty-nine thousand, two hundred thirteen".