42531628777 has 8 divisors (see below), whose sum is σ = 46709539200. Its totient is φ = 38405618160.

The previous prime is 42531628757. The next prime is 42531628793. The reversal of 42531628777 is 77782613524.

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

It is a cyclic number.

It is not a de Polignac number, because 42531628777 - 2²³ = 42523240169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42531628757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12973233 + ... + 12976510.

It is an arithmetic number, because the mean of its divisors is an integer number (5838692400).

Almost surely, 2^42531628777 is an apocalyptic number.

It is an amenable number.

42531628777 is a deficient number, since it is larger than the sum of its proper divisors (4177910423).

42531628777 is a wasteful number, since it uses less digits than its factorization.

42531628777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25949903.

The product of its digits is 3951360, while the sum is 52.

The spelling of 42531628777 in words is "forty-two billion, five hundred thirty-one million, six hundred twenty-eight thousand, seven hundred seventy-seven".