5368953978 has 12 divisors (see below), whose sum is σ = 11632733658. Its totient is φ = 1789651320.

The previous prime is 5368953973. The next prime is 5368954033. The reversal of 5368953978 is 8793598635.

5368953978 is a `hidden beast` number, since 536 + 8 + 9 + 5 + 3 + 97 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3753155169 + 1615798809 = 61263^2 + 40197^2 .

It is not an unprimeable number, because it can be changed into a prime (5368953973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149137593 + ... + 149137628.

Almost surely, 2^5368953978 is an apocalyptic number.

5368953978 is an abundant number, since it is smaller than the sum of its proper divisors (6263779680).

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

5368953978 is a wasteful number, since it uses less digits than its factorization.

5368953978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298275229 (or 298275226 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

The square root of 5368953978 is about 73273.1463634530. The cubic root of 5368953978 is about 1751.0419893034.

The spelling of 5368953978 in words is "five billion, three hundred sixty-eight million, nine hundred fifty-three thousand, nine hundred seventy-eight".