1378074807 has 12 divisors (see below), whose sum is σ = 2095318680. Its totient is φ = 870362928.

The previous prime is 1378074799. The next prime is 1378074823. The reversal of 1378074807 is 7084708731.

It is a happy number.

It is not a de Polignac number, because 1378074807 - 2³ = 1378074799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378074007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4029288 + ... + 4029629.

It is an arithmetic number, because the mean of its divisors is an integer number (174609890).

Almost surely, 2^1378074807 is an apocalyptic number.

1378074807 is a deficient number, since it is larger than the sum of its proper divisors (717243873).

1378074807 is a wasteful number, since it uses less digits than its factorization.

1378074807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058942 (or 8058939 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 1378074807 is about 37122.4299716492. The cubic root of 1378074807 is about 1112.8183141992.

The spelling of 1378074807 in words is "one billion, three hundred seventy-eight million, seventy-four thousand, eight hundred seven".