85746146487 has 4 divisors (see below), whose sum is σ = 114328195320. Its totient is φ = 57164097656.

The previous prime is 85746146471. The next prime is 85746146557. The reversal of 85746146487 is 78464164758.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85746146487 - 2⁴ = 85746146471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85746146487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85746146417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14291024412 + ... + 14291024417.

It is an arithmetic number, because the mean of its divisors is an integer number (28582048830).

Almost surely, 2^85746146487 is an apocalyptic number.

85746146487 is a deficient number, since it is larger than the sum of its proper divisors (28582048833).

85746146487 is a wasteful number, since it uses less digits than its factorization.

85746146487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28582048832.

The product of its digits is 36126720, while the sum is 60.

The spelling of 85746146487 in words is "eighty-five billion, seven hundred forty-six million, one hundred forty-six thousand, four hundred eighty-seven".