82619272945 has 16 divisors (see below), whose sum is σ = 108174489408. Its totient is φ = 60076549440.

The previous prime is 82619272943. The next prime is 82619272949. The reversal of 82619272945 is 54927291628.

It is a happy number.

It is not a de Polignac number, because 82619272945 - 2¹ = 82619272943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82619272943) 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, 207622 + ... + 456448.

It is an arithmetic number, because the mean of its divisors is an integer number (6760905588).

Almost surely, 2^82619272945 is an apocalyptic number.

It is an amenable number.

82619272945 is a deficient number, since it is larger than the sum of its proper divisors (25555216463).

82619272945 is a wasteful number, since it uses less digits than its factorization.

82619272945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254880.

The product of its digits is 4354560, while the sum is 55.

The spelling of 82619272945 in words is "eighty-two billion, six hundred nineteen million, two hundred seventy-two thousand, nine hundred forty-five".