33887987742 has 32 divisors (see below), whose sum is σ = 78549225984. Its totient is φ = 9545911200.

The previous prime is 33887987741. The next prime is 33887987773. The reversal of 33887987742 is 24778978833.

It is a super-2 number, since 2×33887987742² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33887987741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5679109 + ... + 5685072.

It is an arithmetic number, because the mean of its divisors is an integer number (2454663312).

Almost surely, 2^33887987742 is an apocalyptic number.

33887987742 is an abundant number, since it is smaller than the sum of its proper divisors (44661238242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33887987742 is a wasteful number, since it uses less digits than its factorization.

33887987742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11364264.

The product of its digits is 113799168, while the sum is 66.

The spelling of 33887987742 in words is "thirty-three billion, eight hundred eighty-seven million, nine hundred eighty-seven thousand, seven hundred forty-two".