245800362778 has 16 divisors (see below), whose sum is σ = 369303323904. Its totient is φ = 122699313360.

The previous prime is 245800362751. The next prime is 245800362779. The reversal of 245800362778 is 877263008542.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (245800362779) 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, 12868351 + ... + 12887437.

It is an arithmetic number, because the mean of its divisors is an integer number (23081457744).

Almost surely, 2^245800362778 is an apocalyptic number.

245800362778 is a deficient number, since it is larger than the sum of its proper divisors (123502961126).

245800362778 is a wasteful number, since it uses less digits than its factorization.

245800362778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29277.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 245800362778 in words is "two hundred forty-five billion, eight hundred million, three hundred sixty-two thousand, seven hundred seventy-eight".