869487429907 has 2 divisors, whose sum is σ = 869487429908. Its totient is φ = 869487429906.

The previous prime is 869487429887. The next prime is 869487429913. The reversal of 869487429907 is 709924784968.

869487429907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 869487429907 - 2¹⁵ = 869487397139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 869487429907.

It is not a weakly prime, because it can be changed into another prime (869487429997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434743714953 + 434743714954.

It is an arithmetic number, because the mean of its divisors is an integer number (434743714954).

Almost surely, 2^869487429907 is an apocalyptic number.

869487429907 is a deficient number, since it is larger than the sum of its proper divisors (1).

869487429907 is an equidigital number, since it uses as much as digits as its factorization.

869487429907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 438939648, while the sum is 73.

The spelling of 869487429907 in words is "eight hundred sixty-nine billion, four hundred eighty-seven million, four hundred twenty-nine thousand, nine hundred seven".