27316407261 has 32 divisors (see below), whose sum is σ = 42803445888. Its totient is φ = 15276867840.

The previous prime is 27316407259. The next prime is 27316407281. The reversal of 27316407261 is 16270461372.

It is not a de Polignac number, because 27316407261 - 2¹ = 27316407259 is a prime.

It is a super-2 number, since 2×27316407261² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27316407281) 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, 1568775 + ... + 1586091.

It is an arithmetic number, because the mean of its divisors is an integer number (1337607684).

Almost surely, 2^27316407261 is an apocalyptic number.

It is an amenable number.

27316407261 is a deficient number, since it is larger than the sum of its proper divisors (15487038627).

27316407261 is a wasteful number, since it uses less digits than its factorization.

27316407261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21021.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 27316407261 in words is "twenty-seven billion, three hundred sixteen million, four hundred seven thousand, two hundred sixty-one".