3778072407 has 24 divisors (see below), whose sum is σ = 5588538384. Its totient is φ = 2458197504.

The previous prime is 3778072369. The next prime is 3778072433. The reversal of 3778072407 is 7042708773.

It is not a de Polignac number, because 3778072407 - 2⁷ = 3778072279 is a prime.

It is a super-2 number, since 2×3778072407² = 28547662225069547298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778072007) 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 23 ways as a sum of consecutive naturals, for example, 614983 + ... + 621095.

It is an arithmetic number, because the mean of its divisors is an integer number (232855766).

Almost surely, 2^3778072407 is an apocalyptic number.

3778072407 is a deficient number, since it is larger than the sum of its proper divisors (1810465977).

3778072407 is a wasteful number, since it uses less digits than its factorization.

3778072407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7759 (or 7756 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 45.

The square root of 3778072407 is about 61466.0264455089. The cubic root of 3778072407 is about 1557.4833967692.

The spelling of 3778072407 in words is "three billion, seven hundred seventy-eight million, seventy-two thousand, four hundred seven".