2420100778 has 8 divisors (see below), whose sum is σ = 3632993280. Its totient is φ = 1209103020.

The previous prime is 2420100757. The next prime is 2420100797. The reversal of 2420100778 is 8770010242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470488 + ... + 475603.

It is an arithmetic number, because the mean of its divisors is an integer number (454124160).

Almost surely, 2^2420100778 is an apocalyptic number.

2420100778 is a deficient number, since it is larger than the sum of its proper divisors (1212892502).

2420100778 is a wasteful number, since it uses less digits than its factorization.

2420100778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947372.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 2420100778 is about 49194.5197964163. The cubic root of 2420100778 is about 1342.5933252966.

The spelling of 2420100778 in words is "two billion, four hundred twenty million, one hundred thousand, seven hundred seventy-eight".