1377048047 has 4 divisors (see below), whose sum is σ = 1449524280. Its totient is φ = 1304571816.

The previous prime is 1377048041. The next prime is 1377048077. The reversal of 1377048047 is 7408407731.

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 1377048047 - 2⁴ = 1377048031 is a prime.

It is a super-2 number, since 2×1377048047² = 3792522647493028418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1377047995 and 1377048013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377048041) 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, 36238088 + ... + 36238125.

It is an arithmetic number, because the mean of its divisors is an integer number (362381070).

Almost surely, 2^1377048047 is an apocalyptic number.

1377048047 is a deficient number, since it is larger than the sum of its proper divisors (72476233).

1377048047 is an equidigital number, since it uses as much as digits as its factorization.

1377048047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72476232.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 1377048047 is about 37108.5980198660. The cubic root of 1377048047 is about 1112.5418702753.

The spelling of 1377048047 in words is "one billion, three hundred seventy-seven million, forty-eight thousand, forty-seven".