481986882787 has 4 divisors (see below), whose sum is σ = 507354613480. Its totient is φ = 456619152096.

The previous prime is 481986882781. The next prime is 481986882827. The reversal of 481986882787 is 787288689184.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 481986882787 - 2³ = 481986882779 is a prime.

It is a super-2 number, since 2×481986882787² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481986882781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12683865318 + ... + 12683865355.

It is an arithmetic number, because the mean of its divisors is an integer number (126838653370).

Almost surely, 2^481986882787 is an apocalyptic number.

481986882787 is a deficient number, since it is larger than the sum of its proper divisors (25367730693).

481986882787 is a wasteful number, since it uses less digits than its factorization.

481986882787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25367730692.

The product of its digits is 693633024, while the sum is 76.

The spelling of 481986882787 in words is "four hundred eighty-one billion, nine hundred eighty-six million, eight hundred eighty-two thousand, seven hundred eighty-seven".