82123750536 has 32 divisors (see below), whose sum is σ = 207192955200. Its totient is φ = 27123439680.

The previous prime is 82123750453. The next prime is 82123750537. The reversal of 82123750536 is 63505732128.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82123750537) 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, 15693820 + ... + 15699051.

It is an arithmetic number, because the mean of its divisors is an integer number (6474779850).

Almost surely, 2^82123750536 is an apocalyptic number.

It is an amenable number.

82123750536 is an abundant number, since it is smaller than the sum of its proper divisors (125069204664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82123750536 is a wasteful number, since it uses less digits than its factorization.

82123750536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31392989 (or 31392985 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 82123750536 in words is "eighty-two billion, one hundred twenty-three million, seven hundred fifty thousand, five hundred thirty-six".