1071777886452 has 96 divisors (see below), whose sum is σ = 3419918073600. Its totient is φ = 282666692736.

The previous prime is 1071777886433. The next prime is 1071777886453. The reversal of 1071777886452 is 2546887771701.

1071777886452 is a `hidden beast` number, since 1 + 0 + 7 + 177 + 7 + 8 + 8 + 6 + 452 = 666.

It is a super-2 number, since 2×1071777886452² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 1071777886452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071777886453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54516927 + ... + 54536582.

It is an arithmetic number, because the mean of its divisors is an integer number (35624146600).

Almost surely, 2^{1071777886452} is an apocalyptic number.

1071777886452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1071777886452 is an abundant number, since it is smaller than the sum of its proper divisors (2348140187148).

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

1071777886452 is a wasteful number, since it uses less digits than its factorization.

1071777886452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109053542 (or 109053534 counting only the distinct ones).

The product of its (nonzero) digits is 36879360, while the sum is 63.

The spelling of 1071777886452 in words is "one trillion, seventy-one billion, seven hundred seventy-seven million, eight hundred eighty-six thousand, four hundred fifty-two".