2420776766 has 4 divisors (see below), whose sum is σ = 3631165152. Its totient is φ = 1210388382.

The previous prime is 2420776753. The next prime is 2420776781. The reversal of 2420776766 is 6676770242.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2420776766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605194190 + ... + 605194193.

It is an arithmetic number, because the mean of its divisors is an integer number (907791288).

Almost surely, 2^2420776766 is an apocalyptic number.

2420776766 is a deficient number, since it is larger than the sum of its proper divisors (1210388386).

2420776766 is a wasteful number, since it uses less digits than its factorization.

2420776766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210388385.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The square root of 2420776766 is about 49201.3898787422. The cubic root of 2420776766 is about 1342.7183190567.

The spelling of 2420776766 in words is "two billion, four hundred twenty million, seven hundred seventy-six thousand, seven hundred sixty-six".