2077601620 has 24 divisors (see below), whose sum is σ = 4619609064. Its totient is φ = 782155776.

The previous prime is 2077601611. The next prime is 2077601629. The reversal of 2077601620 is 261067702.

It is an interprime number because it is at equal distance from previous prime (2077601611) and next prime (2077601629).

It can be written as a sum of positive squares in 4 ways, for example, as 545035716 + 1532565904 = 23346^2 + 39148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2077601629) 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, 3054957 + ... + 3055636.

It is an arithmetic number, because the mean of its divisors is an integer number (192483711).

Almost surely, 2^2077601620 is an apocalyptic number.

2077601620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2077601620 is an abundant number, since it is smaller than the sum of its proper divisors (2542007444).

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

2077601620 is a wasteful number, since it uses less digits than its factorization.

2077601620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110619 (or 6110617 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2077601620 is about 45580.7154397559. The cubic root of 2077601620 is about 1276.0100406046.

The spelling of 2077601620 in words is "two billion, seventy-seven million, six hundred one thousand, six hundred twenty".