675816725805 has 32 divisors (see below), whose sum is σ = 1175789911296. Its totient is φ = 329479570944.

The previous prime is 675816725767. The next prime is 675816725807. The reversal of 675816725805 is 508527618576.

It is not a de Polignac number, because 675816725805 - 2¹² = 675816721709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675816725807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16803832 + ... + 16844001.

It is an arithmetic number, because the mean of its divisors is an integer number (36743434728).

Almost surely, 2^675816725805 is an apocalyptic number.

675816725805 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

675816725805 is a deficient number, since it is larger than the sum of its proper divisors (499973185491).

675816725805 is a wasteful number, since it uses less digits than its factorization.

675816725805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33647957.

The product of its (nonzero) digits is 28224000, while the sum is 60.

The spelling of 675816725805 in words is "six hundred seventy-five billion, eight hundred sixteen million, seven hundred twenty-five thousand, eight hundred five".