4645677278 has 16 divisors (see below), whose sum is σ = 8049195504. Its totient is φ = 1987455360.

The previous prime is 4645677277. The next prime is 4645677299. The reversal of 4645677278 is 8727765464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645677277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6210425 + ... + 6211172.

It is an arithmetic number, because the mean of its divisors is an integer number (503074719).

Almost surely, 2^4645677278 is an apocalyptic number.

4645677278 is a deficient number, since it is larger than the sum of its proper divisors (3403518226).

4645677278 is a wasteful number, since it uses less digits than its factorization.

4645677278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12421627.

The product of its digits is 15805440, while the sum is 56.

The square root of 4645677278 is about 68159.2053797578. The cubic root of 4645677278 is about 1668.5901637126.

The spelling of 4645677278 in words is "four billion, six hundred forty-five million, six hundred seventy-seven thousand, two hundred seventy-eight".