1077771000438 has 48 divisors (see below), whose sum is σ = 2547675997776. Its totient is φ = 326569417920.

The previous prime is 1077771000421. The next prime is 1077771000451. The reversal of 1077771000438 is 8340001777701.

1077771000438 is a `hidden beast` number, since 107 + 7 + 7 + 7 + 100 + 0 + 438 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1077771000393 and 1077771000402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2157220 + ... + 2609432.

It is an arithmetic number, because the mean of its divisors is an integer number (53076583287).

Almost surely, 2^{1077771000438} is an apocalyptic number.

1077771000438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1077771000438 is an abundant number, since it is smaller than the sum of its proper divisors (1469904997338).

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

1077771000438 is a wasteful number, since it uses less digits than its factorization.

1077771000438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464269 (or 464266 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 45.

The spelling of 1077771000438 in words is "one trillion, seventy-seven billion, seven hundred seventy-one million, four hundred thirty-eight", and thus it is an aban number.