73865860487 has 8 divisors (see below), whose sum is σ = 75638463120. Its totient is φ = 72095748480.

The previous prime is 73865860477. The next prime is 73865860499. The reversal of 73865860487 is 78406856837.

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 73865860487 - 2⁶ = 73865860423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73865860477) 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, 562562 + ... + 681327.

It is an arithmetic number, because the mean of its divisors is an integer number (9454807890).

Almost surely, 2^73865860487 is an apocalyptic number.

73865860487 is a deficient number, since it is larger than the sum of its proper divisors (1772602633).

73865860487 is a wasteful number, since it uses less digits than its factorization.

73865860487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245313.

The product of its (nonzero) digits is 54190080, while the sum is 62.

The spelling of 73865860487 in words is "seventy-three billion, eight hundred sixty-five million, eight hundred sixty thousand, four hundred eighty-seven".