797886949 has 4 divisors (see below), whose sum is σ = 798156000. Its totient is φ = 797617900.

The previous prime is 797886923. The next prime is 797886953. The reversal of 797886949 is 949688797.

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 an emirpimes, since its reverse is a distinct semiprime: 949688797 = 1877 ⋅505961.

It is a cyclic number.

It is not a de Polignac number, because 797886949 - 2⁵ = 797886917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797886979) 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, 130027 + ... + 136024.

It is an arithmetic number, because the mean of its divisors is an integer number (199539000).

Almost surely, 2^797886949 is an apocalyptic number.

It is an amenable number.

797886949 is a deficient number, since it is larger than the sum of its proper divisors (269051).

797886949 is a wasteful number, since it uses less digits than its factorization.

797886949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269050.

The product of its digits is 54867456, while the sum is 67.

The square root of 797886949 is about 28246.8927317679. The cubic root of 797886949 is about 927.4997198993.

The spelling of 797886949 in words is "seven hundred ninety-seven million, eight hundred eighty-six thousand, nine hundred forty-nine".