77533480253831 has 8 divisors (see below), whose sum is σ = 88609789612704. Its totient is φ = 66457195368480.

The previous prime is 77533480253821. The next prime is 77533480253843. The reversal of 77533480253831 is 13835208433577.

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

It is not a de Polignac number, because 77533480253831 - 2⁶ = 77533480253767 is a prime.

It is a super-2 number, since 2×77533480253831² (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 (77533480253821) 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, 1264181 + ... + 12516593.

It is an arithmetic number, because the mean of its divisors is an integer number (11076223701588).

Almost surely, 2^{77533480253831} is an apocalyptic number.

77533480253831 is a deficient number, since it is larger than the sum of its proper divisors (11076309358873).

77533480253831 is a wasteful number, since it uses less digits than its factorization.

77533480253831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12236761.

The product of its (nonzero) digits is 50803200, while the sum is 59.

The spelling of 77533480253831 in words is "seventy-seven trillion, five hundred thirty-three billion, four hundred eighty million, two hundred fifty-three thousand, eight hundred thirty-one".