2077762680 has 144 divisors (see below), whose sum is σ = 7855281720. Its totient is φ = 474913152.

The previous prime is 2077762669. The next prime is 2077762711. The reversal of 2077762680 is 862677702.

It is a happy number.

2077762680 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41254 + ... + 76533.

Almost surely, 2^2077762680 is an apocalyptic number.

2077762680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2077762680 is an abundant number, since it is smaller than the sum of its proper divisors (5777519040).

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

2077762680 is a wasteful number, since it uses less digits than its factorization.

2077762680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117818 (or 117804 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 2077762680 is about 45582.4821614620. The cubic root of 2077762680 is about 1276.0430127369.

The spelling of 2077762680 in words is "two billion, seventy-seven million, seven hundred sixty-two thousand, six hundred eighty".