383777488142 has 4 divisors (see below), whose sum is σ = 575666232216. Its totient is φ = 191888744070.

The previous prime is 383777488121. The next prime is 383777488153. The reversal of 383777488142 is 241884777383.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×383777488142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 95944372034 + ... + 95944372037.

It is an arithmetic number, because the mean of its divisors is an integer number (143916558054).

Almost surely, 2^383777488142 is an apocalyptic number.

383777488142 is a deficient number, since it is larger than the sum of its proper divisors (191888744074).

383777488142 is a wasteful number, since it uses less digits than its factorization.

383777488142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191888744073.

The product of its digits is 50577408, while the sum is 62.

The spelling of 383777488142 in words is "three hundred eighty-three billion, seven hundred seventy-seven million, four hundred eighty-eight thousand, one hundred forty-two".