88639000349 has 2 divisors, whose sum is σ = 88639000350. Its totient is φ = 88639000348.

The previous prime is 88639000327. The next prime is 88639000361. The reversal of 88639000349 is 94300093688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85201523449 + 3437476900 = 291893^2 + 58630^2 .

It is a cyclic number.

It is not a de Polignac number, because 88639000349 - 2¹² = 88638996253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 88639000297 and 88639000306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88639002349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44319500174 + 44319500175.

It is an arithmetic number, because the mean of its divisors is an integer number (44319500175).

Almost surely, 2^88639000349 is an apocalyptic number.

It is an amenable number.

88639000349 is a deficient number, since it is larger than the sum of its proper divisors (1).

88639000349 is an equidigital number, since it uses as much as digits as its factorization.

88639000349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 88639000349 in words is "eighty-eight billion, six hundred thirty-nine million, three hundred forty-nine", and thus it is an aban number.