42707880391 has 8 divisors (see below), whose sum is σ = 48093331968. Its totient is φ = 37572915000.

The previous prime is 42707880389. The next prime is 42707880427. The reversal of 42707880391 is 19308870724.

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 42707880391 - 2¹ = 42707880389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42707880791) 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, 62621185 + ... + 62621866.

It is an arithmetic number, because the mean of its divisors is an integer number (6011666496).

Almost surely, 2^42707880391 is an apocalyptic number.

42707880391 is a deficient number, since it is larger than the sum of its proper divisors (5385451577).

42707880391 is a wasteful number, since it uses less digits than its factorization.

42707880391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125243093.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 42707880391 in words is "forty-two billion, seven hundred seven million, eight hundred eighty thousand, three hundred ninety-one".