248977667 has 4 divisors (see below), whose sum is σ = 249194760. Its totient is φ = 248760576.

The previous prime is 248977657. The next prime is 248977711. The reversal of 248977667 is 766779842.

248977667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248977667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248977657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106817 + ... + 109122.

It is an arithmetic number, because the mean of its divisors is an integer number (62298690).

Almost surely, 2^248977667 is an apocalyptic number.

248977667 is a deficient number, since it is larger than the sum of its proper divisors (217093).

248977667 is a wasteful number, since it uses less digits than its factorization.

248977667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217092.

The product of its digits is 7112448, while the sum is 56.

The square root of 248977667 is about 15779.0261740071. The cubic root of 248977667 is about 629.1006458586.

The spelling of 248977667 in words is "two hundred forty-eight million, nine hundred seventy-seven thousand, six hundred sixty-seven".