1377229982 has 4 divisors (see below), whose sum is σ = 2065844976. Its totient is φ = 688614990.

The previous prime is 1377229969. The next prime is 1377229999. The reversal of 1377229982 is 2899227731.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1377229982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344307494 + ... + 344307497.

It is an arithmetic number, because the mean of its divisors is an integer number (516461244).

Almost surely, 2^1377229982 is an apocalyptic number.

1377229982 is a deficient number, since it is larger than the sum of its proper divisors (688614994).

1377229982 is an equidigital number, since it uses as much as digits as its factorization.

1377229982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688614993.

The product of its digits is 762048, while the sum is 50.

The square root of 1377229982 is about 37111.0493249652. The cubic root of 1377229982 is about 1112.5908643033.

The spelling of 1377229982 in words is "one billion, three hundred seventy-seven million, two hundred twenty-nine thousand, nine hundred eighty-two".