42768214487 has 4 divisors (see below), whose sum is σ = 42787542600. Its totient is φ = 42748886376.

The previous prime is 42768214471. The next prime is 42768214529. The reversal of 42768214487 is 78441286724.

It is a happy number.

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 42768214487 - 2⁴ = 42768214471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42768214427) 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, 9660737 + ... + 9665162.

It is an arithmetic number, because the mean of its divisors is an integer number (10696885650).

Almost surely, 2^42768214487 is an apocalyptic number.

42768214487 is a deficient number, since it is larger than the sum of its proper divisors (19328113).

42768214487 is a wasteful number, since it uses less digits than its factorization.

42768214487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19328112.

The product of its digits is 4816896, while the sum is 53.

The spelling of 42768214487 in words is "forty-two billion, seven hundred sixty-eight million, two hundred fourteen thousand, four hundred eighty-seven".