77607265671755 has 4 divisors (see below), whose sum is σ = 93128718806112. Its totient is φ = 62085812537400.

The previous prime is 77607265671737. The next prime is 77607265671757. The reversal of 77607265671755 is 55717656270677.

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

It is not a de Polignac number, because 77607265671755 - 2²² = 77607261477451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77607265671757) 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, 7760726567171 + ... + 7760726567180.

It is an arithmetic number, because the mean of its divisors is an integer number (23282179701528).

Almost surely, 2^{77607265671755} is an apocalyptic number.

77607265671755 is a deficient number, since it is larger than the sum of its proper divisors (15521453134357).

77607265671755 is a wasteful number, since it uses less digits than its factorization.

77607265671755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15521453134356.

The product of its (nonzero) digits is 907578000, while the sum is 71.

The spelling of 77607265671755 in words is "seventy-seven trillion, six hundred seven billion, two hundred sixty-five million, six hundred seventy-one thousand, seven hundred fifty-five".