42886777 has 8 divisors (see below), whose sum is σ = 43682976. Its totient is φ = 42098112.

The previous prime is 42886763. The next prime is 42886783. The reversal of 42886777 is 77768824.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42886777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42886777.

It is not an unprimeable number, because it can be changed into a prime (42886717) 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, 10318 + ... + 13864.

It is an arithmetic number, because the mean of its divisors is an integer number (5460372).

Almost surely, 2^42886777 is an apocalyptic number.

It is an amenable number.

42886777 is a deficient number, since it is larger than the sum of its proper divisors (796199).

42886777 is a wasteful number, since it uses less digits than its factorization.

42886777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767.

The product of its digits is 1053696, while the sum is 49.

The square root of 42886777 is about 6548.7996610066. The cubic root of 42886777 is about 350.0320433248.

The spelling of 42886777 in words is "forty-two million, eight hundred eighty-six thousand, seven hundred seventy-seven".