5397243786 has 32 divisors (see below), whose sum is σ = 13084228800. Its totient is φ = 1635528240.

The previous prime is 5397243781. The next prime is 5397243791. The reversal of 5397243786 is 6873427935.

5397243786 is a `hidden beast` number, since 5 + 397 + 243 + 7 + 8 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (5397243781) and next prime (5397243791).

It is a super-2 number, since 2×5397243786² = 58260480971031227592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (5397243781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4542541 + ... + 4543728.

It is an arithmetic number, because the mean of its divisors is an integer number (408882150).

Almost surely, 2^5397243786 is an apocalyptic number.

5397243786 is an abundant number, since it is smaller than the sum of its proper divisors (7686985014).

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

5397243786 is a wasteful number, since it uses less digits than its factorization.

5397243786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9086291 (or 9086285 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 5397243786 is about 73465.9362289762. The cubic root of 5397243786 is about 1754.1121025505.

The spelling of 5397243786 in words is "five billion, three hundred ninety-seven million, two hundred forty-three thousand, seven hundred eighty-six".