2420776747 has 4 divisors (see below), whose sum is σ = 2430905760. Its totient is φ = 2410647736.

The previous prime is 2420776741. The next prime is 2420776751. The reversal of 2420776747 is 7476770242.

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

It is a cyclic number.

It is not a de Polignac number, because 2420776747 - 2¹⁵ = 2420743979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2420776697 and 2420776706.

It is not an unprimeable number, because it can be changed into a prime (2420776741) 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, 5064148 + ... + 5064625.

It is an arithmetic number, because the mean of its divisors is an integer number (607726440).

Almost surely, 2^2420776747 is an apocalyptic number.

2420776747 is a deficient number, since it is larger than the sum of its proper divisors (10129013).

2420776747 is a wasteful number, since it uses less digits than its factorization.

2420776747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10129012.

The product of its (nonzero) digits is 921984, while the sum is 46.

The square root of 2420776747 is about 49201.3896856583. The cubic root of 2420776747 is about 1342.7183155438.

The spelling of 2420776747 in words is "two billion, four hundred twenty million, seven hundred seventy-six thousand, seven hundred forty-seven".