1948954887 has 72 divisors (see below), whose sum is σ = 3383572608. Its totient is φ = 1069912800.

The previous prime is 1948954879. The next prime is 1948954907. The reversal of 1948954887 is 7884598491.

1948954887 is a `hidden beast` number, since 1 + 9 + 4 + 8 + 9 + 548 + 87 = 666.

It is not a de Polignac number, because 1948954887 - 2³ = 1948954879 is a prime.

It is a super-2 number, since 2×1948954887² = 7596850303122365538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948954807) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 820812 + ... + 823182.

It is an arithmetic number, because the mean of its divisors is an integer number (46994064).

Almost surely, 2^1948954887 is an apocalyptic number.

1948954887 is a deficient number, since it is larger than the sum of its proper divisors (1434617721).

1948954887 is a wasteful number, since it uses less digits than its factorization.

1948954887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449 (or 2427 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The square root of 1948954887 is about 44146.9691711673. The cubic root of 1948954887 is about 1249.1097419964.

The spelling of 1948954887 in words is "one billion, nine hundred forty-eight million, nine hundred fifty-four thousand, eight hundred eighty-seven".