5263747378 has 4 divisors (see below), whose sum is σ = 7895621070. Its totient is φ = 2631873688.

The previous prime is 5263747373. The next prime is 5263747387. The reversal of 5263747378 is 8737473625.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4965598089 + 298149289 = 70467^2 + 17267^2 .

It is not an unprimeable number, because it can be changed into a prime (5263747373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315936843 + ... + 1315936846.

Almost surely, 2^5263747378 is an apocalyptic number.

5263747378 is a deficient number, since it is larger than the sum of its proper divisors (2631873692).

5263747378 is a wasteful number, since it uses less digits than its factorization.

5263747378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631873691.

The product of its digits is 5927040, while the sum is 52.

The square root of 5263747378 is about 72551.6876302681. The cubic root of 5263747378 is about 1739.5290241129.

The spelling of 5263747378 in words is "five billion, two hundred sixty-three million, seven hundred forty-seven thousand, three hundred seventy-eight".