274172061887 has 2 divisors, whose sum is σ = 274172061888. Its totient is φ = 274172061886.

The previous prime is 274172061883. The next prime is 274172061979. The reversal of 274172061887 is 788160271472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274172061887 - 2² = 274172061883 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274172061881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137086030943 + 137086030944.

It is an arithmetic number, because the mean of its divisors is an integer number (137086030944).

Almost surely, 2^274172061887 is an apocalyptic number.

274172061887 is a deficient number, since it is larger than the sum of its proper divisors (1).

274172061887 is an equidigital number, since it uses as much as digits as its factorization.

274172061887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2107392, while the sum is 53.

The spelling of 274172061887 in words is "two hundred seventy-four billion, one hundred seventy-two million, sixty-one thousand, eight hundred eighty-seven".