248878387 has 4 divisors (see below), whose sum is σ = 248955840. Its totient is φ = 248800936.

The previous prime is 248878381. The next prime is 248878417. The reversal of 248878387 is 783878842.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783878842 = 2 ⋅391939421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248878387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248878381) 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, 33688 + ... + 40405.

It is an arithmetic number, because the mean of its divisors is an integer number (62238960).

Almost surely, 2^248878387 is an apocalyptic number.

248878387 is a deficient number, since it is larger than the sum of its proper divisors (77453).

248878387 is an equidigital number, since it uses as much as digits as its factorization.

248878387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77452.

The product of its digits is 4816896, while the sum is 55.

The square root of 248878387 is about 15775.8799120683. The cubic root of 248878387 is about 629.0170166503.

The spelling of 248878387 in words is "two hundred forty-eight million, eight hundred seventy-eight thousand, three hundred eighty-seven".