77632810331 has 8 divisors (see below), whose sum is σ = 79735521600. Its totient is φ = 75530337408.

The previous prime is 77632810309. The next prime is 77632810349. The reversal of 77632810331 is 13301823677.

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 77632810331 - 2⁶ = 77632810267 is a prime.

It is a super-2 number, since 2×77632810331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77632810301) 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, 746195 + ... + 843843.

It is an arithmetic number, because the mean of its divisors is an integer number (9966940200).

Almost surely, 2^77632810331 is an apocalyptic number.

77632810331 is a deficient number, since it is larger than the sum of its proper divisors (2102711269).

77632810331 is a wasteful number, since it uses less digits than its factorization.

77632810331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119173.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 77632810331 in words is "seventy-seven billion, six hundred thirty-two million, eight hundred ten thousand, three hundred thirty-one".