5305778280 has 96 divisors (see below), whose sum is σ = 18811409760. Its totient is φ = 1286248320.

The previous prime is 5305778279. The next prime is 5305778287. The reversal of 5305778280 is 828775035.

5305778280 is a `hidden beast` number, since 53 + 0 + 577 + 8 + 28 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5305778287) 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, 665962 + ... + 673881.

It is an arithmetic number, because the mean of its divisors is an integer number (195952185).

Almost surely, 2^5305778280 is an apocalyptic number.

It is an amenable number.

5305778280 is an abundant number, since it is smaller than the sum of its proper divisors (13505631480).

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

5305778280 is a wasteful number, since it uses less digits than its factorization.

5305778280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339871 (or 1339864 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 5305778280 is about 72840.7734720054. The cubic root of 5305778280 is about 1744.1467880335.

The spelling of 5305778280 in words is "five billion, three hundred five million, seven hundred seventy-eight thousand, two hundred eighty".