87269279 has 8 divisors (see below), whose sum is σ = 94657248. Its totient is φ = 80131840.

The previous prime is 87269263. The next prime is 87269293. The reversal of 87269279 is 97296278.

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 87269279 - 2⁴ = 87269263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87269179) 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, 61907 + ... + 63300.

It is an arithmetic number, because the mean of its divisors is an integer number (11832156).

Almost surely, 2^87269279 is an apocalyptic number.

87269279 is a deficient number, since it is larger than the sum of its proper divisors (7387969).

87269279 is a wasteful number, since it uses less digits than its factorization.

87269279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125265.

The product of its digits is 762048, while the sum is 50.

The square root of 87269279 is about 9341.8027703436. The cubic root of 87269279 is about 443.5614514983.

The spelling of 87269279 in words is "eighty-seven million, two hundred sixty-nine thousand, two hundred seventy-nine".