1077727273251 has 4 divisors (see below), whose sum is σ = 1436969697672. Its totient is φ = 718484848832.

The previous prime is 1077727273223. The next prime is 1077727273261. The reversal of 1077727273251 is 1523727277701.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1077727273251 - 2⁷ = 1077727273123 is a prime.

It is a super-2 number, since 2×1077727273251² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1077727273194 and 1077727273203.

It is not an unprimeable number, because it can be changed into a prime (1077727273261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179621212206 + ... + 179621212211.

It is an arithmetic number, because the mean of its divisors is an integer number (359242424418).

Almost surely, 2^{1077727273251} is an apocalyptic number.

1077727273251 is a deficient number, since it is larger than the sum of its proper divisors (359242424421).

1077727273251 is an equidigital number, since it uses as much as digits as its factorization.

1077727273251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359242424420.

The product of its (nonzero) digits is 2016840, while the sum is 51.

The spelling of 1077727273251 in words is "one trillion, seventy-seven billion, seven hundred twenty-seven million, two hundred seventy-three thousand, two hundred fifty-one".