245900778 has 16 divisors (see below), whose sum is σ = 492216480. Its totient is φ = 81897776.

The previous prime is 245900777. The next prime is 245900807. The reversal of 245900778 is 877009542.

245900778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (245900771) 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, 9300 + ... + 24047.

It is an arithmetic number, because the mean of its divisors is an integer number (30763530).

Almost surely, 2^245900778 is an apocalyptic number.

245900778 is an abundant number, since it is smaller than the sum of its proper divisors (246315702).

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

245900778 is a wasteful number, since it uses less digits than its factorization.

245900778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34581.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 245900778 is about 15681.2237405121. The cubic root of 245900778 is about 626.4984020221.

The spelling of 245900778 in words is "two hundred forty-five million, nine hundred thousand, seven hundred seventy-eight".