77314233100231 has 4 divisors (see below), whose sum is σ = 79980241138200. Its totient is φ = 74648225062264.

The previous prime is 77314233100133. The next prime is 77314233100259. The reversal of 77314233100231 is 13200133241377.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77314233100231 is a prime.

It is a super-2 number, since 2×77314233100231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77314233100261) 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, 1333004018941 + ... + 1333004018998.

It is an arithmetic number, because the mean of its divisors is an integer number (19995060284550).

Almost surely, 2^{77314233100231} is an apocalyptic number.

77314233100231 is a deficient number, since it is larger than the sum of its proper divisors (2666008037969).

77314233100231 is a wasteful number, since it uses less digits than its factorization.

77314233100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666008037968.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 77314233100231 in words is "seventy-seven trillion, three hundred fourteen billion, two hundred thirty-three million, one hundred thousand, two hundred thirty-one".