42926165987 has 8 divisors (see below), whose sum is σ = 43054387200. Its totient is φ = 42797993544.

The previous prime is 42926165981. The next prime is 42926165999. The reversal of 42926165987 is 78956162924.

It is a happy number.

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 42926165987 - 2⁶ = 42926165923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42926165981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2518508 + ... + 2535494.

It is an arithmetic number, because the mean of its divisors is an integer number (5381798400).

Almost surely, 2^42926165987 is an apocalyptic number.

42926165987 is a deficient number, since it is larger than the sum of its proper divisors (128221213).

42926165987 is a wasteful number, since it uses less digits than its factorization.

42926165987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24385.

The product of its digits is 13063680, while the sum is 59.

The spelling of 42926165987 in words is "forty-two billion, nine hundred twenty-six million, one hundred sixty-five thousand, nine hundred eighty-seven".