2485700778 has 16 divisors (see below), whose sum is σ = 5423347296. Its totient is φ = 753242640.

The previous prime is 2485700771. The next prime is 2485700779. The reversal of 2485700778 is 8770075842.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2485700771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18831001 + ... + 18831132.

It is an arithmetic number, because the mean of its divisors is an integer number (338959206).

Almost surely, 2^2485700778 is an apocalyptic number.

2485700778 is an abundant number, since it is smaller than the sum of its proper divisors (2937646518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2485700778 is a wasteful number, since it uses less digits than its factorization.

2485700778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37662149.

The product of its (nonzero) digits is 878080, while the sum is 48.

The square root of 2485700778 is about 49856.8027254055. The cubic root of 2485700778 is about 1354.6162551244.

The spelling of 2485700778 in words is "two billion, four hundred eighty-five million, seven hundred thousand, seven hundred seventy-eight".