42377873821 has 8 divisors (see below), whose sum is σ = 42693874304. Its totient is φ = 42062338800.

The previous prime is 42377873801. The next prime is 42377873827. The reversal of 42377873821 is 12837877324.

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 42377873821 - 2¹⁹ = 42377349533 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 (42377873827) 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, 67480 + ... + 298846.

It is an arithmetic number, because the mean of its divisors is an integer number (5336734288).

Almost surely, 2^42377873821 is an apocalyptic number.

It is an amenable number.

42377873821 is a deficient number, since it is larger than the sum of its proper divisors (316000483).

42377873821 is a wasteful number, since it uses less digits than its factorization.

42377873821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232731.

The product of its digits is 3161088, while the sum is 52.

The spelling of 42377873821 in words is "forty-two billion, three hundred seventy-seven million, eight hundred seventy-three thousand, eight hundred twenty-one".