780473335136 has 48 divisors (see below), whose sum is σ = 1679449318848. Its totient is φ = 354082204800.

The previous prime is 780473335091. The next prime is 780473335139. The reversal of 780473335136 is 631533374087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780473335139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935650 + ... + 2303841.

It is an arithmetic number, because the mean of its divisors is an integer number (34988527476).

Almost surely, 2^780473335136 is an apocalyptic number.

It is an amenable number.

780473335136 is an abundant number, since it is smaller than the sum of its proper divisors (898975983712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

780473335136 is a wasteful number, since it uses less digits than its factorization.

780473335136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240035 (or 4240027 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 50.

The spelling of 780473335136 in words is "seven hundred eighty billion, four hundred seventy-three million, three hundred thirty-five thousand, one hundred thirty-six".