782773661330 has 32 divisors (see below), whose sum is σ = 1492796511360. Its totient is φ = 294509136640.

The previous prime is 782773661273. The next prime is 782773661357. The reversal of 782773661330 is 33166377287.

It is a super-2 number, since 2×782773661330² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146806 + ... + 1697265.

It is an arithmetic number, because the mean of its divisors is an integer number (46649890980).

Almost surely, 2^782773661330 is an apocalyptic number.

782773661330 is a deficient number, since it is larger than the sum of its proper divisors (710022850030).

782773661330 is a wasteful number, since it uses less digits than its factorization.

782773661330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845714.

The product of its (nonzero) digits is 5334336, while the sum is 53.

The spelling of 782773661330 in words is "seven hundred eighty-two billion, seven hundred seventy-three million, six hundred sixty-one thousand, three hundred thirty".