1377980007 has 4 divisors (see below), whose sum is σ = 1837306680. Its totient is φ = 918653336.

The previous prime is 1377979951. The next prime is 1377980053. The reversal of 1377980007 is 7000897731.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1377980007 - 2⁶ = 1377979943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377982007) 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, 229663332 + ... + 229663337.

It is an arithmetic number, because the mean of its divisors is an integer number (459326670).

Almost surely, 2^1377980007 is an apocalyptic number.

1377980007 is a deficient number, since it is larger than the sum of its proper divisors (459326673).

1377980007 is an equidigital number, since it uses as much as digits as its factorization.

1377980007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459326672.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 1377980007 is about 37121.1530936204. The cubic root of 1377980007 is about 1112.7927960887.

The spelling of 1377980007 in words is "one billion, three hundred seventy-seven million, nine hundred eighty thousand, seven".