789466664987 has 64 divisors (see below), whose sum is σ = 1064618311680. Its totient is φ = 565371100800.

The previous prime is 789466664983. The next prime is 789466664993.

789466664987 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 789466664987 - 2² = 789466664983 is a prime.

It is a super-3 number, since 3×789466664987³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (789466664983) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 247402562 + ... + 247405752.

It is an arithmetic number, because the mean of its divisors is an integer number (16634661120).

Almost surely, 2^789466664987 is an apocalyptic number.

789466664987 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

789466664987 is a deficient number, since it is larger than the sum of its proper divisors (275151646693).

789466664987 is a wasteful number, since it uses less digits than its factorization.

789466664987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224.

The product of its digits is 5267275776, while the sum is 80.

The spelling of 789466664987 in words is "seven hundred eighty-nine billion, four hundred sixty-six million, six hundred sixty-four thousand, nine hundred eighty-seven".