797624661 has 8 divisors (see below), whose sum is σ = 1066235040. Its totient is φ = 530382032.

The previous prime is 797624629. The next prime is 797624669. The reversal of 797624661 is 166426797.

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

It is a cyclic number.

It is not a de Polignac number, because 797624661 - 2⁵ = 797624629 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 797624661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797624669) 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, 340575 + ... + 342908.

It is an arithmetic number, because the mean of its divisors is an integer number (133279380).

Almost surely, 2^797624661 is an apocalyptic number.

It is an amenable number.

797624661 is a deficient number, since it is larger than the sum of its proper divisors (268610379).

797624661 is a wasteful number, since it uses less digits than its factorization.

797624661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683875.

The product of its digits is 762048, while the sum is 48.

The square root of 797624661 is about 28242.2495739982. The cubic root of 797624661 is about 927.3980769666.

The spelling of 797624661 in words is "seven hundred ninety-seven million, six hundred twenty-four thousand, six hundred sixty-one".