42878331453783 has 32 divisors (see below), whose sum is σ = 69182362690560. Its totient is φ = 23060442908160.

The previous prime is 42878331453781. The next prime is 42878331453899. The reversal of 42878331453783 is 38735413387824.

It is not a de Polignac number, because 42878331453783 - 2¹ = 42878331453781 is a prime.

It is a super-2 number, since 2×42878331453783² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878331453781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58060038 + ... + 58793916.

It is an arithmetic number, because the mean of its divisors is an integer number (2161948834080).

Almost surely, 2^{42878331453783} is an apocalyptic number.

42878331453783 is a deficient number, since it is larger than the sum of its proper divisors (26304031236777).

42878331453783 is a wasteful number, since it uses less digits than its factorization.

42878331453783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897567.

The product of its digits is 325140480, while the sum is 66.

The spelling of 42878331453783 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred thirty-one million, four hundred fifty-three thousand, seven hundred eighty-three".