2420824877 has 4 divisors (see below), whose sum is σ = 2442248220. Its totient is φ = 2399401536.

The previous prime is 2420824859. The next prime is 2420824883. The reversal of 2420824877 is 7784280242.

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

It can be written as a sum of positive squares in 2 ways, for example, as 110965156 + 2309859721 = 10534^2 + 48061^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420824877 - 2²⁰ = 2419776301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420824807) 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, 10711502 + ... + 10711727.

It is an arithmetic number, because the mean of its divisors is an integer number (610562055).

Almost surely, 2^2420824877 is an apocalyptic number.

It is an amenable number.

2420824877 is a deficient number, since it is larger than the sum of its proper divisors (21423343).

2420824877 is a wasteful number, since it uses less digits than its factorization.

2420824877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21423342.

The product of its (nonzero) digits is 401408, while the sum is 44.

The square root of 2420824877 is about 49201.8787954281. The cubic root of 2420824877 is about 1342.7272141483.

The spelling of 2420824877 in words is "two billion, four hundred twenty million, eight hundred twenty-four thousand, eight hundred seventy-seven".