1377787765004 has 12 divisors (see below), whose sum is σ = 2755575530064. Its totient is φ = 590480470704.

The previous prime is 1377787764979. The next prime is 1377787765021. The reversal of 1377787765004 is 4005677877731.

1377787765004 is an admirable number.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

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, 24603352919 + ... + 24603352974.

It is an arithmetic number, because the mean of its divisors is an integer number (229631294172).

Almost surely, 2^{1377787765004} is an apocalyptic number.

1377787765004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1377787765004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1377787765004 is a wasteful number, since it uses less digits than its factorization.

1377787765004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49206705904 (or 49206705902 counting only the distinct ones).

The product of its (nonzero) digits is 48404160, while the sum is 62.

The spelling of 1377787765004 in words is "one trillion, three hundred seventy-seven billion, seven hundred eighty-seven million, seven hundred sixty-five thousand, four".