87374971 has 2 divisors, whose sum is σ = 87374972. Its totient is φ = 87374970.

The previous prime is 87374933. The next prime is 87375017. The reversal of 87374971 is 17947378.

It is an a-pointer prime, because the next prime (87375017) can be obtained adding 87374971 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87374971 - 2⁷ = 87374843 is a prime.

It is not a weakly prime, because it can be changed into another prime (87374471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43687485 + 43687486.

It is an arithmetic number, because the mean of its divisors is an integer number (43687486).

Almost surely, 2^87374971 is an apocalyptic number.

87374971 is a deficient number, since it is larger than the sum of its proper divisors (1).

87374971 is an equidigital number, since it uses as much as digits as its factorization.

87374971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 46.

The square root of 87374971 is about 9347.4579966962. The cubic root of 87374971 is about 443.7404453143.

The spelling of 87374971 in words is "eighty-seven million, three hundred seventy-four thousand, nine hundred seventy-one".