797680658 has 8 divisors (see below), whose sum is σ = 1198116480. Its totient is φ = 398308500.

The previous prime is 797680651. The next prime is 797680691. The reversal of 797680658 is 856086797.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (797680651) 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, 264038 + ... + 267041.

It is an arithmetic number, because the mean of its divisors is an integer number (149764560).

Almost surely, 2^797680658 is an apocalyptic number.

797680658 is a deficient number, since it is larger than the sum of its proper divisors (400435822).

797680658 is a wasteful number, since it uses less digits than its factorization.

797680658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531832.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The square root of 797680658 is about 28243.2409259277. The cubic root of 797680658 is about 927.4197790267.

The spelling of 797680658 in words is "seven hundred ninety-seven million, six hundred eighty thousand, six hundred fifty-eight".