11897480467 has 4 divisors (see below), whose sum is σ = 11947260960. Its totient is φ = 11847699976.

The previous prime is 11897480459. The next prime is 11897480471. The reversal of 11897480467 is 76408479811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76408479811 = 64439 ⋅1185749.

It is a cyclic number.

It is not a de Polignac number, because 11897480467 - 2³ = 11897480459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11897480417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24889888 + ... + 24890365.

It is an arithmetic number, because the mean of its divisors is an integer number (2986815240).

Almost surely, 2^11897480467 is an apocalyptic number.

11897480467 is a deficient number, since it is larger than the sum of its proper divisors (49780493).

11897480467 is an equidigital number, since it uses as much as digits as its factorization.

11897480467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49780492.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 11897480467 in words is "eleven billion, eight hundred ninety-seven million, four hundred eighty thousand, four hundred sixty-seven".