80711477431 has 8 divisors (see below), whose sum is σ = 87763938080. Its totient is φ = 73779571872.

The previous prime is 80711477377. The next prime is 80711477449. The reversal of 80711477431 is 13477411708.

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 80711477431 - 2¹³ = 80711469239 is a prime.

It is a super-2 number, since 2×80711477431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80711477131) 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, 30137376 + ... + 30140053.

It is an arithmetic number, because the mean of its divisors is an integer number (10970492260).

Almost surely, 2^80711477431 is an apocalyptic number.

80711477431 is a deficient number, since it is larger than the sum of its proper divisors (7052460649).

80711477431 is a wasteful number, since it uses less digits than its factorization.

80711477431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60277545.

The product of its (nonzero) digits is 131712, while the sum is 43.

The spelling of 80711477431 in words is "eighty billion, seven hundred eleven million, four hundred seventy-seven thousand, four hundred thirty-one".