42897130434779 has 8 divisors (see below), whose sum is σ = 43943635490832. Its totient is φ = 41850636501760.

The previous prime is 42897130434773. The next prime is 42897130434793. The reversal of 42897130434779 is 97743403179824.

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 42897130434779 - 2⁸ = 42897130434523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42897130434773) 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, 5310227 + ... + 10676739.

It is an arithmetic number, because the mean of its divisors is an integer number (5492954436354).

Almost surely, 2^{42897130434779} is an apocalyptic number.

42897130434779 is a deficient number, since it is larger than the sum of its proper divisors (1046505056053).

42897130434779 is a wasteful number, since it uses less digits than its factorization.

42897130434779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561517.

The product of its (nonzero) digits is 256048128, while the sum is 68.

The spelling of 42897130434779 in words is "forty-two trillion, eight hundred ninety-seven billion, one hundred thirty million, four hundred thirty-four thousand, seven hundred seventy-nine".