1958934887 has 12 divisors (see below), whose sum is σ = 2454051096. Its totient is φ = 1549926000.

The previous prime is 1958934881. The next prime is 1958934899. The reversal of 1958934887 is 7884398591.

It is not a de Polignac number, because 1958934887 - 2⁸ = 1958934631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1958934881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1536989 + ... + 1538262.

It is an arithmetic number, because the mean of its divisors is an integer number (204504258).

Almost surely, 2^1958934887 is an apocalyptic number.

1958934887 is a deficient number, since it is larger than the sum of its proper divisors (495116209).

1958934887 is a wasteful number, since it uses less digits than its factorization.

1958934887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075278 (or 3075271 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 62.

The square root of 1958934887 is about 44259.8563825054. The cubic root of 1958934887 is about 1251.2382156127.

The spelling of 1958934887 in words is "one billion, nine hundred fifty-eight million, nine hundred thirty-four thousand, eight hundred eighty-seven".