19787955284292 has 48 divisors (see below), whose sum is σ = 50282271889920. Its totient is φ = 6020190367488.

The previous prime is 19787955284281. The next prime is 19787955284303. The reversal of 19787955284292 is 29248255978791.

It is an interprime number because it is at equal distance from previous prime (19787955284281) and next prime (19787955284303).

It is a super-3 number, since 3×19787955284292³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712603348 + ... + 712631115.

It is an arithmetic number, because the mean of its divisors is an integer number (1047547331040).

Almost surely, 2^{19787955284292} is an apocalyptic number.

19787955284292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19787955284292 is an abundant number, since it is smaller than the sum of its proper divisors (30494316605628).

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

19787955284292 is a wasteful number, since it uses less digits than its factorization.

19787955284292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425234572 (or 1425234570 counting only the distinct ones).

The product of its digits is 1828915200, while the sum is 78.

The spelling of 19787955284292 in words is "nineteen trillion, seven hundred eighty-seven billion, nine hundred fifty-five million, two hundred eighty-four thousand, two hundred ninety-two".