3776201620 has 24 divisors (see below), whose sum is σ = 7936425000. Its totient is φ = 1509261312.

The previous prime is 3776201593. The next prime is 3776201623. The reversal of 3776201620 is 261026773.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1219685776 + 2556515844 = 34924^2 + 50562^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3776201623) 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, 50605 + ... + 100564.

It is an arithmetic number, because the mean of its divisors is an integer number (330684375).

Almost surely, 2^3776201620 is an apocalyptic number.

It is an amenable number.

3776201620 is an abundant number, since it is smaller than the sum of its proper divisors (4160223380).

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

3776201620 is a wasteful number, since it uses less digits than its factorization.

3776201620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152427 (or 152425 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 3776201620 is about 61450.8065040647. The cubic root of 3776201620 is about 1557.2262814612.

The spelling of 3776201620 in words is "three billion, seven hundred seventy-six million, two hundred one thousand, six hundred twenty".