245506077 has 12 divisors (see below), whose sum is σ = 354872544. Its totient is φ = 163554120.

The previous prime is 245506067. The next prime is 245506111. The reversal of 245506077 is 770605542.

245506077 is a `hidden beast` number, since 2 + 45 + 5 + 0 + 607 + 7 = 666.

It is not a de Polignac number, because 245506077 - 2¹¹ = 245504029 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245506007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4752 + ... + 22662.

It is an arithmetic number, because the mean of its divisors is an integer number (29572712).

Almost surely, 2^245506077 is an apocalyptic number.

It is an amenable number.

245506077 is a deficient number, since it is larger than the sum of its proper divisors (109366467).

245506077 is a wasteful number, since it uses less digits than its factorization.

245506077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19440 (or 19437 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 245506077 is about 15668.6335396549. The cubic root of 245506077 is about 626.1630201788.

The spelling of 245506077 in words is "two hundred forty-five million, five hundred six thousand, seventy-seven".