42754387947 has 8 divisors (see below), whose sum is σ = 57007277520. Its totient is φ = 28502211840.

The previous prime is 42754387943. The next prime is 42754387961. The reversal of 42754387947 is 74978345724.

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

It is not a de Polignac number, because 42754387947 - 2² = 42754387943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42754387943) 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, 17922 + ... + 292967.

It is an arithmetic number, because the mean of its divisors is an integer number (7125909690).

Almost surely, 2^42754387947 is an apocalyptic number.

42754387947 is a deficient number, since it is larger than the sum of its proper divisors (14252889573).

42754387947 is a wasteful number, since it uses less digits than its factorization.

42754387947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356733.

The product of its digits is 47416320, while the sum is 60.

The spelling of 42754387947 in words is "forty-two billion, seven hundred fifty-four million, three hundred eighty-seven thousand, nine hundred forty-seven".