73816815471 has 32 divisors (see below), whose sum is σ = 113711904768. Its totient is φ = 41722218720.

The previous prime is 73816815467. The next prime is 73816815473. The reversal of 73816815471 is 17451861837.

It is not a de Polignac number, because 73816815471 - 2² = 73816815467 is a prime.

It is a super-3 number, since 3×73816815471³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73816815473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800856 + ... + 888258.

It is an arithmetic number, because the mean of its divisors is an integer number (3553497024).

Almost surely, 2^73816815471 is an apocalyptic number.

73816815471 is a deficient number, since it is larger than the sum of its proper divisors (39895089297).

73816815471 is a wasteful number, since it uses less digits than its factorization.

73816815471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87851.

The product of its digits is 1128960, while the sum is 51.

The spelling of 73816815471 in words is "seventy-three billion, eight hundred sixteen million, eight hundred fifteen thousand, four hundred seventy-one".