27479896742 has 32 divisors (see below), whose sum is σ = 43089905664. Its totient is φ = 13128624000.

The previous prime is 27479896739. The next prime is 27479896747. The reversal of 27479896742 is 24769897472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27479896747) 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, 2209742 + ... + 2222142.

It is an arithmetic number, because the mean of its divisors is an integer number (1346559552).

Almost surely, 2^27479896742 is an apocalyptic number.

27479896742 is a deficient number, since it is larger than the sum of its proper divisors (15610008922).

27479896742 is a wasteful number, since it uses less digits than its factorization.

27479896742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12884.

The product of its digits is 85349376, while the sum is 65.

The spelling of 27479896742 in words is "twenty-seven billion, four hundred seventy-nine million, eight hundred ninety-six thousand, seven hundred forty-two".