1925314457887 has 2 divisors, whose sum is σ = 1925314457888. Its totient is φ = 1925314457886.

The previous prime is 1925314457881. The next prime is 1925314457959. The reversal of 1925314457887 is 7887544135291.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1925314457887 - 2³⁵ = 1890954719519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1925314457881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962657228943 + 962657228944.

It is an arithmetic number, because the mean of its divisors is an integer number (962657228944).

Almost surely, 2^{1925314457887} is an apocalyptic number.

1925314457887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925314457887 is an equidigital number, since it uses as much as digits as its factorization.

1925314457887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67737600, while the sum is 64.

The spelling of 1925314457887 in words is "one trillion, nine hundred twenty-five billion, three hundred fourteen million, four hundred fifty-seven thousand, eight hundred eighty-seven".