1152764437887 has 20 divisors (see below), whose sum is σ = 1722195652320. Its totient is φ = 768436066944.

The previous prime is 1152764437871. The next prime is 1152764437901. The reversal of 1152764437887 is 7887344672511.

It is a happy number.

1152764437887 is a `hidden beast` number, since 1 + 1 + 52 + 76 + 4 + 437 + 8 + 87 = 666.

It is not a de Polignac number, because 1152764437887 - 2⁴ = 1152764437871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152764437387) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 177018 + ... + 1528680.

It is an arithmetic number, because the mean of its divisors is an integer number (86109782616).

Almost surely, 2^{1152764437887} is an apocalyptic number.

1152764437887 is a deficient number, since it is larger than the sum of its proper divisors (569431214433).

1152764437887 is a wasteful number, since it uses less digits than its factorization.

1152764437887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362204 (or 1362195 counting only the distinct ones).

The product of its digits is 63221760, while the sum is 63.

The spelling of 1152764437887 in words is "one trillion, one hundred fifty-two billion, seven hundred sixty-four million, four hundred thirty-seven thousand, eight hundred eighty-seven".