790688961 has 12 divisors (see below), whose sum is σ = 1142592100. Its totient is φ = 526901760.

The previous prime is 790688957. The next prime is 790688999. The reversal of 790688961 is 169886097.

It can be written as a sum of positive squares in 2 ways, for example, as 8088336 + 782600625 = 2844^2 + 27975^2 .

It is not a de Polignac number, because 790688961 - 2² = 790688957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 790688898 and 790688907.

It is not an unprimeable number, because it can be changed into a prime (790688761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5265 + ... + 40113.

Almost surely, 2^790688961 is an apocalyptic number.

It is an amenable number.

790688961 is a deficient number, since it is larger than the sum of its proper divisors (351903139).

790688961 is a wasteful number, since it uses less digits than its factorization.

790688961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37376 (or 37373 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 790688961 is about 28119.1920403130. The cubic root of 790688961 is about 924.7022020665.

The spelling of 790688961 in words is "seven hundred ninety million, six hundred eighty-eight thousand, nine hundred sixty-one".