88780340029 has 2 divisors, whose sum is σ = 88780340030. Its totient is φ = 88780340028.

The previous prime is 88780339969. The next prime is 88780340057. The reversal of 88780340029 is 92004308788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53408134404 + 35372205625 = 231102^2 + 188075^2 .

It is a cyclic number.

It is not a de Polignac number, because 88780340029 - 2⁹ = 88780339517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88780320029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44390170014 + 44390170015.

It is an arithmetic number, because the mean of its divisors is an integer number (44390170015).

Almost surely, 2^88780340029 is an apocalyptic number.

It is an amenable number.

88780340029 is a deficient number, since it is larger than the sum of its proper divisors (1).

88780340029 is an equidigital number, since it uses as much as digits as its factorization.

88780340029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 88780340029 in words is "eighty-eight billion, seven hundred eighty million, three hundred forty thousand, twenty-nine".