3800780077 has 4 divisors (see below), whose sum is σ = 3809360160. Its totient is φ = 3792199996.

The previous prime is 3800780069. The next prime is 3800780099. The reversal of 3800780077 is 7700870083.

3800780077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7700870083 = 73 ⋅105491371.

It is a cyclic number.

It is not a de Polignac number, because 3800780077 - 2³ = 3800780069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3800780677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4289377 + ... + 4290262.

It is an arithmetic number, because the mean of its divisors is an integer number (952340040).

Almost surely, 2^3800780077 is an apocalyptic number.

It is an amenable number.

3800780077 is a deficient number, since it is larger than the sum of its proper divisors (8580083).

3800780077 is an equidigital number, since it uses as much as digits as its factorization.

3800780077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8580082.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 3800780077 is about 61650.4669649793. The cubic root of 3800780077 is about 1560.5975243619.

The spelling of 3800780077 in words is "three billion, eight hundred million, seven hundred eighty thousand, seventy-seven".