780894498087 has 24 divisors (see below), whose sum is σ = 1234046586240. Its totient is φ = 471905483280.

The previous prime is 780894498067. The next prime is 780894498091.

780894498087 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 780894498087 - 2⁷ = 780894497959 is a prime.

It is a super-4 number, since 4×780894498087⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780894498067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11331387 + ... + 11400092.

It is an arithmetic number, because the mean of its divisors is an integer number (51418607760).

Almost surely, 2^780894498087 is an apocalyptic number.

780894498087 is a deficient number, since it is larger than the sum of its proper divisors (453152088153).

780894498087 is a wasteful number, since it uses less digits than its factorization.

780894498087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22731843 (or 22731840 counting only the distinct ones).

The product of its (nonzero) digits is 260112384, while the sum is 72.

The spelling of 780894498087 in words is "seven hundred eighty billion, eight hundred ninety-four million, four hundred ninety-eight thousand, eighty-seven".