76245520789 has 4 divisors (see below), whose sum is σ = 79560543456. Its totient is φ = 72930498124.

The previous prime is 76245520783. The next prime is 76245520837. The reversal of 76245520789 is 98702554267.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76245520789 - 2⁷ = 76245520661 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 (76245520783) 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, 1657511299 + ... + 1657511344.

It is an arithmetic number, because the mean of its divisors is an integer number (19890135864).

Almost surely, 2^76245520789 is an apocalyptic number.

It is an amenable number.

76245520789 is a deficient number, since it is larger than the sum of its proper divisors (3315022667).

76245520789 is a wasteful number, since it uses less digits than its factorization.

76245520789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315022666.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 76245520789 in words is "seventy-six billion, two hundred forty-five million, five hundred twenty thousand, seven hundred eighty-nine".