42764887 has 8 divisors (see below), whose sum is σ = 46735632. Its totient is φ = 38808000.

The previous prime is 42764873. The next prime is 42764893. The reversal of 42764887 is 78846724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42764887 - 2¹⁵ = 42732119 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 (42764807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3637 + ... + 9937.

It is an arithmetic number, because the mean of its divisors is an integer number (5841954).

Almost surely, 2^42764887 is an apocalyptic number.

42764887 is a deficient number, since it is larger than the sum of its proper divisors (3970745).

42764887 is a wasteful number, since it uses less digits than its factorization.

42764887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6929.

The product of its digits is 602112, while the sum is 46.

The square root of 42764887 is about 6539.4867535610. The cubic root of 42764887 is about 349.7001159183.

The spelling of 42764887 in words is "forty-two million, seven hundred sixty-four thousand, eight hundred eighty-seven".