727228691079 has 16 divisors (see below), whose sum is σ = 1057822235904. Its totient is φ = 440730057600.

The previous prime is 727228691009. The next prime is 727228691113. The reversal of 727228691079 is 970196822727.

It is not a de Polignac number, because 727228691079 - 2¹² = 727228686983 is a prime.

It is a super-2 number, since 2×727228691079² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727228691009) 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, 691599 + ... + 1390239.

It is an arithmetic number, because the mean of its divisors is an integer number (66113889744).

Almost surely, 2^727228691079 is an apocalyptic number.

727228691079 is a deficient number, since it is larger than the sum of its proper divisors (330593544825).

727228691079 is a wasteful number, since it uses less digits than its factorization.

727228691079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730198.

The product of its (nonzero) digits is 10668672, while the sum is 60.

The spelling of 727228691079 in words is "seven hundred twenty-seven billion, two hundred twenty-eight million, six hundred ninety-one thousand, seventy-nine".