481770887691 has 8 divisors (see below), whose sum is σ = 643267196560. Its totient is φ = 320727585312.

The previous prime is 481770887683. The next prime is 481770887701. The reversal of 481770887691 is 196788077184.

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

It is not a de Polignac number, because 481770887691 - 2³ = 481770887683 is a prime.

It is a super-2 number, since 2×481770887691² (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 (481770887791) 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 7 ways as a sum of consecutive naturals, for example, 113249140 + ... + 113253393.

It is an arithmetic number, because the mean of its divisors is an integer number (80408399570).

Almost surely, 2^481770887691 is an apocalyptic number.

481770887691 is a deficient number, since it is larger than the sum of its proper divisors (161496308869).

481770887691 is a wasteful number, since it uses less digits than its factorization.

481770887691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226503245.

The product of its (nonzero) digits is 37933056, while the sum is 66.

The spelling of 481770887691 in words is "four hundred eighty-one billion, seven hundred seventy million, eight hundred eighty-seven thousand, six hundred ninety-one".