726877525546 has 4 divisors (see below), whose sum is σ = 1090316288322. Its totient is φ = 363438762772.

The previous prime is 726877525513. The next prime is 726877525547. The reversal of 726877525546 is 645525778627.

726877525546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645525778627 = 229 ⋅2818889863.

It can be written as a sum of positive squares in only one way, i.e., 695621053521 + 31256472025 = 834039^2 + 176795^2 .

It is not an unprimeable number, because it can be changed into a prime (726877525547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181719381385 + ... + 181719381388.

Almost surely, 2^726877525546 is an apocalyptic number.

726877525546 is a deficient number, since it is larger than the sum of its proper divisors (363438762776).

726877525546 is a wasteful number, since it uses less digits than its factorization.

726877525546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363438762775.

The product of its digits is 197568000, while the sum is 64.

The spelling of 726877525546 in words is "seven hundred twenty-six billion, eight hundred seventy-seven million, five hundred twenty-five thousand, five hundred forty-six".