780722097 has 8 divisors (see below), whose sum is σ = 1086222144. Its totient is φ = 497851728.

The previous prime is 780722083. The next prime is 780722113. The reversal of 780722097 is 790227087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 780722097 - 2⁴ = 780722081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (780722017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5657338 + ... + 5657475.

It is an arithmetic number, because the mean of its divisors is an integer number (135777768).

Almost surely, 2^780722097 is an apocalyptic number.

It is an amenable number.

780722097 is a deficient number, since it is larger than the sum of its proper divisors (305500047).

780722097 is a wasteful number, since it uses less digits than its factorization.

780722097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11314839.

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 780722097 is about 27941.4047069935. The cubic root of 780722097 is about 920.8003813810.

The spelling of 780722097 in words is "seven hundred eighty million, seven hundred twenty-two thousand, ninety-seven".