802720546245 has 96 divisors (see below), whose sum is σ = 1467376694784. Its totient is φ = 405155520000.

The previous prime is 802720546127. The next prime is 802720546249. The reversal of 802720546245 is 542645027208.

802720546245 is a `hidden beast` number, since 80 + 2 + 7 + 2 + 0 + 546 + 24 + 5 = 666.

It is not a de Polignac number, because 802720546245 - 2⁸ = 802720545989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 802720546245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802720546249) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36894120 + ... + 36915870.

It is an arithmetic number, because the mean of its divisors is an integer number (15285173904).

Almost surely, 2^802720546245 is an apocalyptic number.

It is an amenable number.

802720546245 is a deficient number, since it is larger than the sum of its proper divisors (664656148539).

802720546245 is a wasteful number, since it uses less digits than its factorization.

802720546245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22163 (or 22160 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 802720546245 in words is "eight hundred two billion, seven hundred twenty million, five hundred forty-six thousand, two hundred forty-five".