7782880383 has 40 divisors (see below), whose sum is σ = 11839716416. Its totient is φ = 5093668800.

The previous prime is 7782880351. The next prime is 7782880411. The reversal of 7782880383 is 3830882877.

It is a happy number.

It is not a de Polignac number, because 7782880383 - 2⁵ = 7782880351 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 (7782880583) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3264810 + ... + 3267192.

Almost surely, 2^7782880383 is an apocalyptic number.

7782880383 is a deficient number, since it is larger than the sum of its proper divisors (4056836033).

7782880383 is a wasteful number, since it uses less digits than its factorization.

7782880383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3108 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The square root of 7782880383 is about 88220.6346780616. The cubic root of 7782880383 is about 1981.7405012601.

The spelling of 7782880383 in words is "seven billion, seven hundred eighty-two million, eight hundred eighty thousand, three hundred eighty-three".