2765878704 has 80 divisors (see below), whose sum is σ = 7962407040. Its totient is φ = 919252800.

The previous prime is 2765878669. The next prime is 2765878711. The reversal of 2765878704 is 4078785672.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 140679 + ... + 159129.

It is an arithmetic number, because the mean of its divisors is an integer number (99530088).

Almost surely, 2^2765878704 is an apocalyptic number.

2765878704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2765878704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3981203520).

2765878704 is an abundant number, since it is smaller than the sum of its proper divisors (5196528336).

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

2765878704 is a wasteful number, since it uses less digits than its factorization.

2765878704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18815 (or 18803 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The square root of 2765878704 is about 52591.6219943823. The cubic root of 2765878704 is about 1403.7110224160.

The spelling of 2765878704 in words is "two billion, seven hundred sixty-five million, eight hundred seventy-eight thousand, seven hundred four".