42777700776 has 32 divisors (see below), whose sum is σ = 118826947200. Its totient is φ = 14259233520.

The previous prime is 42777700751. The next prime is 42777700783. The reversal of 42777700776 is 67700777724.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99022240 + ... + 99022671.

It is an arithmetic number, because the mean of its divisors is an integer number (3713342100).

Almost surely, 2^42777700776 is an apocalyptic number.

It is an amenable number.

42777700776 is an abundant number, since it is smaller than the sum of its proper divisors (76049246424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42777700776 is a wasteful number, since it uses less digits than its factorization.

42777700776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198044926 (or 198044916 counting only the distinct ones).

The product of its (nonzero) digits is 5647152, while the sum is 54.

The spelling of 42777700776 in words is "forty-two billion, seven hundred seventy-seven million, seven hundred thousand, seven hundred seventy-six".