82812156332078 has 32 divisors (see below), whose sum is σ = 127658515491936. Its totient is φ = 40267689896448.

The previous prime is 82812156332077. The next prime is 82812156332083. The reversal of 82812156332078 is 87023365121828.

It is a super-2 number, since 2×82812156332078² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82812156332077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491508026 + ... + 491676482.

It is an arithmetic number, because the mean of its divisors is an integer number (3989328609123).

Almost surely, 2^{82812156332078} is an apocalyptic number.

82812156332078 is a deficient number, since it is larger than the sum of its proper divisors (44846359159858).

82812156332078 is a wasteful number, since it uses less digits than its factorization.

82812156332078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193268.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 82812156332078 in words is "eighty-two trillion, eight hundred twelve billion, one hundred fifty-six million, three hundred thirty-two thousand, seventy-eight".