4640846777 has 4 divisors (see below), whose sum is σ = 5303824896. Its totient is φ = 3977868660.

The previous prime is 4640846773. The next prime is 4640846783. The reversal of 4640846777 is 7776480464.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4640846777 - 2² = 4640846773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4640846773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331489049 + ... + 331489062.

It is an arithmetic number, because the mean of its divisors is an integer number (1325956224).

Almost surely, 2^4640846777 is an apocalyptic number.

It is an amenable number.

4640846777 is a deficient number, since it is larger than the sum of its proper divisors (662978119).

4640846777 is an equidigital number, since it uses as much as digits as its factorization.

4640846777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662978118.

The product of its (nonzero) digits is 6322176, while the sum is 53.

The square root of 4640846777 is about 68123.7607373521. The cubic root of 4640846777 is about 1668.0116386893.

The spelling of 4640846777 in words is "four billion, six hundred forty million, eight hundred forty-six thousand, seven hundred seventy-seven".