5707779840 has 432 divisors, whose sum is σ = 23191616448. Its totient is φ = 1268711424.

The previous prime is 5707779823. The next prime is 5707779841. The reversal of 5707779840 is 489777075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5707779841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2982724 + ... + 2984636.

Almost surely, 2^5707779840 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 5707779840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11595808224).

5707779840 is an abundant number, since it is smaller than the sum of its proper divisors (17483836608).

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

5707779840 is a wasteful number, since it uses less digits than its factorization.

5707779840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 3457440, while the sum is 54.

The square root of 5707779840 is about 75549.8500329418. The cubic root of 5707779840 is about 1787.1283230677.

The spelling of 5707779840 in words is "five billion, seven hundred seven million, seven hundred seventy-nine thousand, eight hundred forty".