87700838369 has 2 divisors, whose sum is σ = 87700838370. Its totient is φ = 87700838368.

The previous prime is 87700838353. The next prime is 87700838429. The reversal of 87700838369 is 96383800778.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82878924769 + 4821913600 = 287887^2 + 69440^2 .

It is a cyclic number.

It is not a de Polignac number, because 87700838369 - 2⁴ = 87700838353 is a prime.

It is a super-2 number, since 2×87700838369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87700831369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43850419184 + 43850419185.

It is an arithmetic number, because the mean of its divisors is an integer number (43850419185).

Almost surely, 2^87700838369 is an apocalyptic number.

It is an amenable number.

87700838369 is a deficient number, since it is larger than the sum of its proper divisors (1).

87700838369 is an equidigital number, since it uses as much as digits as its factorization.

87700838369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 87700838369 in words is "eighty-seven billion, seven hundred million, eight hundred thirty-eight thousand, three hundred sixty-nine".