77214525503 has 4 divisors (see below), whose sum is σ = 78191924640. Its totient is φ = 76237126368.

The previous prime is 77214525499. The next prime is 77214525517. The reversal of 77214525503 is 30552541277.

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 77214525503 - 2² = 77214525499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77214525523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488699450 + ... + 488699607.

It is an arithmetic number, because the mean of its divisors is an integer number (19547981160).

Almost surely, 2^77214525503 is an apocalyptic number.

77214525503 is a deficient number, since it is larger than the sum of its proper divisors (977399137).

77214525503 is an equidigital number, since it uses as much as digits as its factorization.

77214525503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977399136.

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 77214525503 in words is "seventy-seven billion, two hundred fourteen million, five hundred twenty-five thousand, five hundred three".