187480047 has 8 divisors (see below), whose sum is σ = 250337920. Its totient is φ = 124804440.

The previous prime is 187480037. The next prime is 187480057. The reversal of 187480047 is 740084781.

It is an interprime number because it is at equal distance from previous prime (187480037) and next prime (187480057).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 187480047 - 2⁴ = 187480031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 187479987 and 187480014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187480037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43147 + ... + 47292.

It is an arithmetic number, because the mean of its divisors is an integer number (31292240).

Almost surely, 2^187480047 is an apocalyptic number.

187480047 is a deficient number, since it is larger than the sum of its proper divisors (62857873).

187480047 is an equidigital number, since it uses as much as digits as its factorization.

187480047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91133.

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 187480047 is about 13692.3353376990. The cubic root of 187480047 is about 572.3368179046.

The spelling of 187480047 in words is "one hundred eighty-seven million, four hundred eighty thousand, forty-seven".