245911477828 has 24 divisors (see below), whose sum is σ = 449506774080. Its totient is φ = 117563298720.

The previous prime is 245911477789. The next prime is 245911477831. The reversal of 245911477828 is 828774119542.

245911477828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10278958 + ... + 10302853.

It is an arithmetic number, because the mean of its divisors is an integer number (18729448920).

Almost surely, 2^245911477828 is an apocalyptic number.

It is an amenable number.

245911477828 is a deficient number, since it is larger than the sum of its proper divisors (203595296252).

245911477828 is a wasteful number, since it uses less digits than its factorization.

245911477828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20581947 (or 20581945 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 58.

The spelling of 245911477828 in words is "two hundred forty-five billion, nine hundred eleven million, four hundred seventy-seven thousand, eight hundred twenty-eight".