797649048 has 144 divisors (see below), whose sum is σ = 2537687880. Its totient is φ = 225662976.

The previous prime is 797649023. The next prime is 797649049. The reversal of 797649048 is 840946797.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 797648985 and 797649003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797649049) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 376440 + ... + 378552.

Almost surely, 2^797649048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 797649048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1268843940).

797649048 is an abundant number, since it is smaller than the sum of its proper divisors (1740038832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

797649048 is a wasteful number, since it uses less digits than its factorization.

797649048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246 (or 2232 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 797649048 is about 28242.6813174670. The cubic root of 797649048 is about 927.4075284574.

The spelling of 797649048 in words is "seven hundred ninety-seven million, six hundred forty-nine thousand, forty-eight".