77027727535801 has 4 divisors (see below), whose sum is σ = 88031688612352. Its totient is φ = 66023766459252.

The previous prime is 77027727535777. The next prime is 77027727535831. The reversal of 77027727535801 is 10853572772077.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 77027727535801 - 2⁹ = 77027727535289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77027727535801.

It is not an unprimeable number, because it can be changed into a prime (77027727535831) 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, 5501980538265 + ... + 5501980538278.

It is an arithmetic number, because the mean of its divisors is an integer number (22007922153088).

Almost surely, 2^{77027727535801} is an apocalyptic number.

It is an amenable number.

77027727535801 is a deficient number, since it is larger than the sum of its proper divisors (11003961076551).

77027727535801 is a wasteful number, since it uses less digits than its factorization.

77027727535801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11003961076550.

The product of its (nonzero) digits is 40336800, while the sum is 61.

The spelling of 77027727535801 in words is "seventy-seven trillion, twenty-seven billion, seven hundred twenty-seven million, five hundred thirty-five thousand, eight hundred one".