77755674403 has 4 divisors (see below), whose sum is σ = 84824372088. Its totient is φ = 70686976720.

The previous prime is 77755674389. The next prime is 77755674413. The reversal of 77755674403 is 30447655777.

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 77755674403 - 2¹³ = 77755666211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77755674413) 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, 3534348826 + ... + 3534348847.

It is an arithmetic number, because the mean of its divisors is an integer number (21206093022).

Almost surely, 2^77755674403 is an apocalyptic number.

77755674403 is a deficient number, since it is larger than the sum of its proper divisors (7068697685).

77755674403 is a wasteful number, since it uses less digits than its factorization.

77755674403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7068697684.

The product of its (nonzero) digits is 17287200, while the sum is 55.

The spelling of 77755674403 in words is "seventy-seven billion, seven hundred fifty-five million, six hundred seventy-four thousand, four hundred three".