1397877763 has 2 divisors, whose sum is σ = 1397877764. Its totient is φ = 1397877762.

The previous prime is 1397877727. The next prime is 1397877829. The reversal of 1397877763 is 3677787931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1397877763 - 2⁹ = 1397877251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1397877698 and 1397877707.

It is not a weakly prime, because it can be changed into another prime (1397877163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698938881 + 698938882.

It is an arithmetic number, because the mean of its divisors is an integer number (698938882).

Almost surely, 2^1397877763 is an apocalyptic number.

1397877763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1397877763 is an equidigital number, since it uses as much as digits as its factorization.

1397877763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9335088, while the sum is 58.

The square root of 1397877763 is about 37388.2035273159. The cubic root of 1397877763 is about 1118.1233888178.

The spelling of 1397877763 in words is "one billion, three hundred ninety-seven million, eight hundred seventy-seven thousand, seven hundred sixty-three".