77500651223 has 8 divisors (see below), whose sum is σ = 78192617328. Its totient is φ = 76808792704.

The previous prime is 77500651199. The next prime is 77500651243. The reversal of 77500651223 is 32215600577.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77500651223 - 2⁶ = 77500651159 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 (77500651243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2352461 + ... + 2385177.

It is an arithmetic number, because the mean of its divisors is an integer number (9774077166).

Almost surely, 2^77500651223 is an apocalyptic number.

77500651223 is a deficient number, since it is larger than the sum of its proper divisors (691966105).

77500651223 is a wasteful number, since it uses less digits than its factorization.

77500651223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53793.

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 77500651223 in words is "seventy-seven billion, five hundred million, six hundred fifty-one thousand, two hundred twenty-three".