1879983191772 has 36 divisors (see below), whose sum is σ = 5431062554736. Its totient is φ = 537138054720.

The previous prime is 1879983191771. The next prime is 1879983191773. The reversal of 1879983191772 is 2771913899781.

It is an interprime number because it is at equal distance from previous prime (1879983191771) and next prime (1879983191773).

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1879983191772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1879983191771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3730125129 + ... + 3730125632.

Almost surely, 2^{1879983191772} is an apocalyptic number.

1879983191772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1879983191772 is an abundant number, since it is smaller than the sum of its proper divisors (3551079362964).

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

1879983191772 is a wasteful number, since it uses less digits than its factorization.

1879983191772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7460250778 (or 7460250773 counting only the distinct ones).

The product of its digits is 96018048, while the sum is 72.

The spelling of 1879983191772 in words is "one trillion, eight hundred seventy-nine billion, nine hundred eighty-three million, one hundred ninety-one thousand, seven hundred seventy-two".