788797440 has 288 divisors, whose sum is σ = 2844026640. Its totient is φ = 209682432.

The previous prime is 788797439. The next prime is 788797441. The reversal of 788797440 is 44797887.

It is an interprime number because it is at equal distance from previous prime (788797439) and next prime (788797441).

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788797441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2488162 + ... + 2488478.

Almost surely, 2^788797440 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 788797440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422013320).

788797440 is an abundant number, since it is smaller than the sum of its proper divisors (2055229200).

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

788797440 is an equidigital number, since it uses as much as digits as its factorization.

788797440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 788797440 is about 28085.5379154468. The cubic root of 788797440 is about 923.9642421649.

The spelling of 788797440 in words is "seven hundred eighty-eight million, seven hundred ninety-seven thousand, four hundred forty".