1377676776 has 64 divisors (see below), whose sum is σ = 4143398400. Its totient is φ = 372904128.

The previous prime is 1377676763. The next prime is 1377676777. The reversal of 1377676776 is 6776767731.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1377676777) 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, 212610 + ... + 218993.

It is an arithmetic number, because the mean of its divisors is an integer number (64740600).

Almost surely, 2^1377676776 is an apocalyptic number.

It is an amenable number.

1377676776 is an abundant number, since it is smaller than the sum of its proper divisors (2765721624).

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

1377676776 is a wasteful number, since it uses less digits than its factorization.

1377676776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431638 (or 431634 counting only the distinct ones).

The product of its digits is 10890936, while the sum is 57.

The square root of 1377676776 is about 37117.0685264879. The cubic root of 1377676776 is about 1112.7111649995.

The spelling of 1377676776 in words is "one billion, three hundred seventy-seven million, six hundred seventy-six thousand, seven hundred seventy-six".