82801513387554 has 32 divisors (see below), whose sum is σ = 178985554117440. Its totient is φ = 25385412595392.

The previous prime is 82801513387477. The next prime is 82801513387577. The reversal of 82801513387554 is 45578331510828.

It is a happy 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, 1916147824 + ... + 1916191035.

It is an arithmetic number, because the mean of its divisors is an integer number (5593298566170).

Almost surely, 2^{82801513387554} is an apocalyptic number.

82801513387554 is an abundant number, since it is smaller than the sum of its proper divisors (96184040729886).

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

82801513387554 is a wasteful number, since it uses less digits than its factorization.

82801513387554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832339154.

The product of its (nonzero) digits is 32256000, while the sum is 60.

The spelling of 82801513387554 in words is "eighty-two trillion, eight hundred one billion, five hundred thirteen million, three hundred eighty-seven thousand, five hundred fifty-four".