254887879 has 4 divisors (see below), whose sum is σ = 256833720. Its totient is φ = 252942040.

The previous prime is 254887837. The next prime is 254887883. The reversal of 254887879 is 978788452.

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

It is a cyclic number.

It is not a de Polignac number, because 254887879 - 2¹¹ = 254885831 is a prime.

It is a super-2 number, since 2×254887879² = 129935661722237282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254887279) 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, 972724 + ... + 972985.

It is an arithmetic number, because the mean of its divisors is an integer number (64208430).

Almost surely, 2^254887879 is an apocalyptic number.

254887879 is a deficient number, since it is larger than the sum of its proper divisors (1945841).

254887879 is a wasteful number, since it uses less digits than its factorization.

254887879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945840.

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

The square root of 254887879 is about 15965.2083920004. The cubic root of 254887879 is about 634.0396162887.

The spelling of 254887879 in words is "two hundred fifty-four million, eight hundred eighty-seven thousand, eight hundred seventy-nine".