1377446748 has 12 divisors (see below), whose sum is σ = 3214042440. Its totient is φ = 459148912.

The previous prime is 1377446737. The next prime is 1377446753. The reversal of 1377446748 is 8476447731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1377446748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57393603 + ... + 57393626.

It is an arithmetic number, because the mean of its divisors is an integer number (267836870).

Almost surely, 2^1377446748 is an apocalyptic number.

It is an amenable number.

1377446748 is an abundant number, since it is smaller than the sum of its proper divisors (1836595692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1377446748 is a wasteful number, since it uses less digits than its factorization.

1377446748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114787236 (or 114787234 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 51.

The square root of 1377446748 is about 37113.9697149200. The cubic root of 1377446748 is about 1112.6492324826.

The spelling of 1377446748 in words is "one billion, three hundred seventy-seven million, four hundred forty-six thousand, seven hundred forty-eight".