151278879 has 8 divisors (see below), whose sum is σ = 202424112. Its totient is φ = 100493120.

The previous prime is 151278857. The next prime is 151278899. The reversal of 151278879 is 978872151.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151278879 - 2⁸ = 151278623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151278899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88884 + ... + 90569.

It is an arithmetic number, because the mean of its divisors is an integer number (25303014).

Almost surely, 2^151278879 is an apocalyptic number.

151278879 is a deficient number, since it is larger than the sum of its proper divisors (51145233).

151278879 is a wasteful number, since it uses less digits than its factorization.

151278879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179737.

The product of its digits is 282240, while the sum is 48.

The square root of 151278879 is about 12299.5479185212. The cubic root of 151278879 is about 532.8350264479.

The spelling of 151278879 in words is "one hundred fifty-one million, two hundred seventy-eight thousand, eight hundred seventy-nine".