2693877788 has 24 divisors (see below), whose sum is σ = 5415682272. Its totient is φ = 1148534784.

The previous prime is 2693877787. The next prime is 2693877793. The reversal of 2693877788 is 8877783962.

It is a happy number.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2693877787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243845 + ... + 254652.

It is an arithmetic number, because the mean of its divisors is an integer number (225653428).

Almost surely, 2^2693877788 is an apocalyptic number.

2693877788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2693877788 is an abundant number, since it is smaller than the sum of its proper divisors (2721804484).

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

2693877788 is a wasteful number, since it uses less digits than its factorization.

2693877788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498701 (or 498699 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 65.

The square root of 2693877788 is about 51902.5797817411. The cubic root of 2693877788 is about 1391.4233798550.

The spelling of 2693877788 in words is "two billion, six hundred ninety-three million, eight hundred seventy-seven thousand, seven hundred eighty-eight".