784080487 has 4 divisors (see below), whose sum is σ = 784139296. Its totient is φ = 784021680.

The previous prime is 784080481. The next prime is 784080527.

784080487 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 784080487 - 2¹¹ = 784078439 is a prime.

It is a super-2 number, since 2×784080487² = 1229564420188314338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (784080481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243 + ... + 39619.

It is an arithmetic number, because the mean of its divisors is an integer number (196034824).

Almost surely, 2^784080487 is an apocalyptic number.

784080487 is a deficient number, since it is larger than the sum of its proper divisors (58809).

784080487 is a wasteful number, since it uses less digits than its factorization.

784080487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58808.

The product of its (nonzero) digits is 401408, while the sum is 46.

The square root of 784080487 is about 28001.4372309708. The cubic root of 784080487 is about 922.1188117695.

The spelling of 784080487 in words is "seven hundred eighty-four million, eighty thousand, four hundred eighty-seven".