42942056599678 has 8 divisors (see below), whose sum is σ = 64413293767920. Its totient is φ = 21470958677040.

The previous prime is 42942056599601. The next prime is 42942056599679. The reversal of 42942056599678 is 87699565024924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42942056599679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34036978 + ... + 35276053.

It is an arithmetic number, because the mean of its divisors is an integer number (8051661720990).

Almost surely, 2^{42942056599678} is an apocalyptic number.

42942056599678 is a deficient number, since it is larger than the sum of its proper divisors (21471237168242).

42942056599678 is a wasteful number, since it uses less digits than its factorization.

42942056599678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69622802.

The product of its (nonzero) digits is 2351462400, while the sum is 76.

The spelling of 42942056599678 in words is "forty-two trillion, nine hundred forty-two billion, fifty-six million, five hundred ninety-nine thousand, six hundred seventy-eight".