1952988775 has 6 divisors (see below), whose sum is σ = 2421706112. Its totient is φ = 1562391000.

The previous prime is 1952988773. The next prime is 1952988787. The reversal of 1952988775 is 5778892591.

It is not a de Polignac number, because 1952988775 - 2¹ = 1952988773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1952988773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39059751 + ... + 39059800.

Almost surely, 2^1952988775 is an apocalyptic number.

1952988775 is a deficient number, since it is larger than the sum of its proper divisors (468717337).

1952988775 is an equidigital number, since it uses as much as digits as its factorization.

1952988775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78119561 (or 78119556 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 61.

The square root of 1952988775 is about 44192.6325873442. The cubic root of 1952988775 is about 1249.9709379910.

The spelling of 1952988775 in words is "one billion, nine hundred fifty-two million, nine hundred eighty-eight thousand, seven hundred seventy-five".