87373151 has 2 divisors, whose sum is σ = 87373152. Its totient is φ = 87373150.

The previous prime is 87373133. The next prime is 87373171. The reversal of 87373151 is 15137378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87373151 - 2⁶ = 87373087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87373171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43686575 + 43686576.

It is an arithmetic number, because the mean of its divisors is an integer number (43686576).

Almost surely, 2^87373151 is an apocalyptic number.

87373151 is a deficient number, since it is larger than the sum of its proper divisors (1).

87373151 is an equidigital number, since it uses as much as digits as its factorization.

87373151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 35.

The square root of 87373151 is about 9347.3606435186. The cubic root of 87373151 is about 443.7373642901.

The spelling of 87373151 in words is "eighty-seven million, three hundred seventy-three thousand, one hundred fifty-one".