1377382811 has 16 divisors (see below), whose sum is σ = 1634688000. Its totient is φ = 1135524768.

The previous prime is 1377382801. The next prime is 1377382813. The reversal of 1377382811 is 1182837731.

It is not a de Polignac number, because 1377382811 - 2¹⁴ = 1377366427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377382813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40490 + ... + 66288.

It is an arithmetic number, because the mean of its divisors is an integer number (102168000).

Almost surely, 2^1377382811 is an apocalyptic number.

1377382811 is a deficient number, since it is larger than the sum of its proper divisors (257305189).

1377382811 is a wasteful number, since it uses less digits than its factorization.

1377382811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26098.

The product of its digits is 56448, while the sum is 41.

The square root of 1377382811 is about 37113.1083446267. The cubic root of 1377382811 is about 1112.6320169218.

The spelling of 1377382811 in words is "one billion, three hundred seventy-seven million, three hundred eighty-two thousand, eight hundred eleven".