2894709123780 has 48 divisors (see below), whose sum is σ = 8125002695040. Its totient is φ = 770035085568.

The previous prime is 2894709123773. The next prime is 2894709123799. The reversal of 2894709123780 is 873219074982.

It is a super-2 number, since 2×2894709123780² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 58954864 + ... + 59003943.

It is an arithmetic number, because the mean of its divisors is an integer number (169270889480).

Almost surely, 2^{2894709123780} is an apocalyptic number.

2894709123780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2894709123780 is an abundant number, since it is smaller than the sum of its proper divisors (5230293571260).

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

2894709123780 is a wasteful number, since it uses less digits than its factorization.

2894709123780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117959228 (or 117959226 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 2894709123780 in words is "two trillion, eight hundred ninety-four billion, seven hundred nine million, one hundred twenty-three thousand, seven hundred eighty".