245872977 has 16 divisors (see below), whose sum is σ = 394383360. Its totient is φ = 133103952.

The previous prime is 245872973. The next prime is 245872987. The reversal of 245872977 is 779278542.

It is not a de Polignac number, because 245872977 - 2² = 245872973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245872973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307713 + ... + 308510.

It is an arithmetic number, because the mean of its divisors is an integer number (24648960).

Almost surely, 2^245872977 is an apocalyptic number.

It is an amenable number.

245872977 is a deficient number, since it is larger than the sum of its proper divisors (148510383).

245872977 is a wasteful number, since it uses less digits than its factorization.

245872977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616252.

The product of its digits is 1975680, while the sum is 51.

The square root of 245872977 is about 15680.3372731584. The cubic root of 245872977 is about 626.4747909561.

The spelling of 245872977 in words is "two hundred forty-five million, eight hundred seventy-two thousand, nine hundred seventy-seven".