85345038487 has 2 divisors, whose sum is σ = 85345038488. Its totient is φ = 85345038486.

The previous prime is 85345038473. The next prime is 85345038503. The reversal of 85345038487 is 78483054358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85345038487 - 2²⁷ = 85210820759 is a prime.

It is a super-2 number, since 2×85345038487² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85345048487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42672519243 + 42672519244.

It is an arithmetic number, because the mean of its divisors is an integer number (42672519244).

Almost surely, 2^85345038487 is an apocalyptic number.

85345038487 is a deficient number, since it is larger than the sum of its proper divisors (1).

85345038487 is an equidigital number, since it uses as much as digits as its factorization.

85345038487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12902400, while the sum is 55.

The spelling of 85345038487 in words is "eighty-five billion, three hundred forty-five million, thirty-eight thousand, four hundred eighty-seven".