3798780773 has 4 divisors (see below), whose sum is σ = 3798934860. Its totient is φ = 3798626688.

The previous prime is 3798780767. The next prime is 3798780823. The reversal of 3798780773 is 3770878973.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1254788929 + 2543991844 = 35423^2 + 50438^2 .

It is not a de Polignac number, because 3798780773 - 2⁴ = 3798780757 is a prime.

It is a super-2 number, since 2×3798780773² = 28861470722628955058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3798780743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30818 + ... + 92451.

It is an arithmetic number, because the mean of its divisors is an integer number (949733715).

Almost surely, 2^3798780773 is an apocalyptic number.

It is an amenable number.

3798780773 is a deficient number, since it is larger than the sum of its proper divisors (154087).

3798780773 is a wasteful number, since it uses less digits than its factorization.

3798780773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154086.

The product of its (nonzero) digits is 12446784, while the sum is 59.

The square root of 3798780773 is about 61634.2499994930. The cubic root of 3798780773 is about 1560.3238387803.

The spelling of 3798780773 in words is "three billion, seven hundred ninety-eight million, seven hundred eighty thousand, seven hundred seventy-three".