28627137431 has 8 divisors (see below), whose sum is σ = 28859765760. Its totient is φ = 28394890488.

The previous prime is 28627137377. The next prime is 28627137443. The reversal of 28627137431 is 13473172682.

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 28627137431 - 2³⁰ = 27553395607 is a prime.

It is a super-2 number, since 2×28627137431² (a number of 22 digits) 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 (28627137481) 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, 56360 + ... + 245826.

It is an arithmetic number, because the mean of its divisors is an integer number (3607470720).

Almost surely, 2^28627137431 is an apocalyptic number.

28627137431 is a deficient number, since it is larger than the sum of its proper divisors (232628329).

28627137431 is a wasteful number, since it uses less digits than its factorization.

28627137431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190693.

The product of its digits is 338688, while the sum is 44.

The spelling of 28627137431 in words is "twenty-eight billion, six hundred twenty-seven million, one hundred thirty-seven thousand, four hundred thirty-one".