80000042487 has 4 divisors (see below), whose sum is σ = 106666723320. Its totient is φ = 53333361656.

The previous prime is 80000042471. The next prime is 80000042503. The reversal of 80000042487 is 78424000008.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (80000042471) and next prime (80000042503).

It is a cyclic number.

It is not a de Polignac number, because 80000042487 - 2⁴ = 80000042471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80000042417) 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, 13333340412 + ... + 13333340417.

It is an arithmetic number, because the mean of its divisors is an integer number (26666680830).

Almost surely, 2^80000042487 is an apocalyptic number.

80000042487 is a deficient number, since it is larger than the sum of its proper divisors (26666680833).

80000042487 is a wasteful number, since it uses less digits than its factorization.

80000042487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26666680832.

The product of its (nonzero) digits is 14336, while the sum is 33.

The spelling of 80000042487 in words is "eighty billion, forty-two thousand, four hundred eighty-seven".