77254023663 has 6 divisors (see below), whose sum is σ = 111589145304. Its totient is φ = 51502682436.

The previous prime is 77254023599. The next prime is 77254023757. The reversal of 77254023663 is 36632045277.

77254023663 is a `hidden beast` number, since 7 + 72 + 540 + 2 + 36 + 6 + 3 = 666.

It is not a de Polignac number, because 77254023663 - 2⁶ = 77254023599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77254003663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4291890195 + ... + 4291890212.

It is an arithmetic number, because the mean of its divisors is an integer number (18598190884).

Almost surely, 2^77254023663 is an apocalyptic number.

77254023663 is a deficient number, since it is larger than the sum of its proper divisors (34335121641).

77254023663 is a wasteful number, since it uses less digits than its factorization.

77254023663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8583780413 (or 8583780410 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 77254023663 in words is "seventy-seven billion, two hundred fifty-four million, twenty-three thousand, six hundred sixty-three".