787427040 has 96 divisors (see below), whose sum is σ = 2521151136. Its totient is φ = 206530560.

The previous prime is 787426999. The next prime is 787427071. The reversal of 787427040 is 40724787.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 787427040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15834 + ... + 42726.

It is an arithmetic number, because the mean of its divisors is an integer number (26261991).

Almost surely, 2^787427040 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 787427040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260575568).

787427040 is an abundant number, since it is smaller than the sum of its proper divisors (1733724096).

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

787427040 is a wasteful number, since it uses less digits than its factorization.

787427040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26972 (or 26964 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 787427040 is about 28061.1304120130. The cubic root of 787427040 is about 923.4288556341.

The spelling of 787427040 in words is "seven hundred eighty-seven million, four hundred twenty-seven thousand, forty".