82811157089470 has 32 divisors (see below), whose sum is σ = 149484989998080. Its totient is φ = 33030137632800.

The previous prime is 82811157089459. The next prime is 82811157089483. The reversal of 82811157089470 is 7498075111828.

It is a junction number, because it is equal to n+sod(n) for n = 82811157089399 and 82811157089408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554871 + ... + 12881389.

It is an arithmetic number, because the mean of its divisors is an integer number (4671405937440).

Almost surely, 2^{82811157089470} is an apocalyptic number.

82811157089470 is a deficient number, since it is larger than the sum of its proper divisors (66673832908610).

82811157089470 is a wasteful number, since it uses less digits than its factorization.

82811157089470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12328440.

The product of its (nonzero) digits is 9031680, while the sum is 61.

The spelling of 82811157089470 in words is "eighty-two trillion, eight hundred eleven billion, one hundred fifty-seven million, eighty-nine thousand, four hundred seventy".