1952499987 has 12 divisors (see below), whose sum is σ = 2830688224. Its totient is φ = 1296861840.

The previous prime is 1952499977. The next prime is 1952500007. The reversal of 1952499987 is 7899942591.

1952499987 is a `hidden beast` number, since 1 + 9 + 52 + 499 + 98 + 7 = 666.

It is not a de Polignac number, because 1952499987 - 2⁷ = 1952499859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1952499917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397828 + ... + 402705.

Almost surely, 2^1952499987 is an apocalyptic number.

1952499987 is a deficient number, since it is larger than the sum of its proper divisors (878188237).

1952499987 is a wasteful number, since it uses less digits than its factorization.

1952499987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800810 (or 800807 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 63.

The square root of 1952499987 is about 44187.1020434697. The cubic root of 1952499987 is about 1249.8666496680.

The spelling of 1952499987 in words is "one billion, nine hundred fifty-two million, four hundred ninety-nine thousand, nine hundred eighty-seven".