77252047523135 has 4 divisors (see below), whose sum is σ = 92702457027768. Its totient is φ = 61801638018504.

The previous prime is 77252047523129. The next prime is 77252047523191. The reversal of 77252047523135 is 53132574025277.

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 77252047523135 - 2¹² = 77252047519039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7725204752309 + ... + 7725204752318.

It is an arithmetic number, because the mean of its divisors is an integer number (23175614256942).

Almost surely, 2^{77252047523135} is an apocalyptic number.

77252047523135 is a deficient number, since it is larger than the sum of its proper divisors (15450409504633).

77252047523135 is a wasteful number, since it uses less digits than its factorization.

77252047523135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15450409504632.

The product of its (nonzero) digits is 12348000, while the sum is 53.

The spelling of 77252047523135 in words is "seventy-seven trillion, two hundred fifty-two billion, forty-seven million, five hundred twenty-three thousand, one hundred thirty-five".