653768796 has 96 divisors (see below), whose sum is σ = 1755371520. Its totient is φ = 188006400.

The previous prime is 653768789. The next prime is 653768803. The reversal of 653768796 is 697867356.

It is an interprime number because it is at equal distance from previous prime (653768789) and next prime (653768803).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117436 + ... + 122876.

It is an arithmetic number, because the mean of its divisors is an integer number (18285120).

Almost surely, 2^653768796 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 653768796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877685760).

653768796 is an abundant number, since it is smaller than the sum of its proper divisors (1101602724).

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

653768796 is a wasteful number, since it uses less digits than its factorization.

653768796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515 (or 5513 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 57.

The square root of 653768796 is about 25568.9029095892. The cubic root of 653768796 is about 867.9100740721.

The spelling of 653768796 in words is "six hundred fifty-three million, seven hundred sixty-eight thousand, seven hundred ninety-six".