7800709800534 has 16 divisors (see below), whose sum is σ = 17830193829888. Its totient is φ = 2228774228712.

The previous prime is 7800709800517. The next prime is 7800709800539. The reversal of 7800709800534 is 4350089070087.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7800709800539) 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, 92865592822 + ... + 92865592905.

It is an arithmetic number, because the mean of its divisors is an integer number (1114387114368).

Almost surely, 2^{7800709800534} is an apocalyptic number.

7800709800534 is an abundant number, since it is smaller than the sum of its proper divisors (10029484029354).

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

7800709800534 is a wasteful number, since it uses less digits than its factorization.

7800709800534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185731185739.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 7800709800534 in words is "seven trillion, eight hundred billion, seven hundred nine million, eight hundred thousand, five hundred thirty-four".