797441977 has 4 divisors (see below), whose sum is σ = 797510736. Its totient is φ = 797373220.

The previous prime is 797441927. The next prime is 797442011. The reversal of 797441977 is 779144797.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 797441977 - 2¹⁹ = 796917689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797441917) 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, 12223 + ... + 41764.

It is an arithmetic number, because the mean of its divisors is an integer number (199377684).

Almost surely, 2^797441977 is an apocalyptic number.

It is an amenable number.

797441977 is a deficient number, since it is larger than the sum of its proper divisors (68759).

797441977 is a wasteful number, since it uses less digits than its factorization.

797441977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68758.

The product of its digits is 3111696, while the sum is 55.

The square root of 797441977 is about 28239.0151563400. The cubic root of 797441977 is about 927.3272693405.

The spelling of 797441977 in words is "seven hundred ninety-seven million, four hundred forty-one thousand, nine hundred seventy-seven".