5464202778 has 12 divisors (see below), whose sum is σ = 11839106058. Its totient is φ = 1821400920.

The previous prime is 5464202773. The next prime is 5464202797. The reversal of 5464202778 is 8772024645.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3618383409 + 1845819369 = 60153^2 + 42963^2 .

It is not an unprimeable number, because it can be changed into a prime (5464202773) 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, 151783393 + ... + 151783428.

Almost surely, 2^5464202778 is an apocalyptic number.

5464202778 is an abundant number, since it is smaller than the sum of its proper divisors (6374903280).

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

5464202778 is a wasteful number, since it uses less digits than its factorization.

5464202778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303566829 (or 303566826 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 5464202778 is about 73920.2460629021. The cubic root of 5464202778 is about 1761.3362332206.

The spelling of 5464202778 in words is "five billion, four hundred sixty-four million, two hundred two thousand, seven hundred seventy-eight".