87693151 has 32 divisors (see below), whose sum is σ = 115458560. Its totient is φ = 64665216.

The previous prime is 87693143. The next prime is 87693167. The reversal of 87693151 is 15139678.

It is not a de Polignac number, because 87693151 - 2³ = 87693143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87693101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115465 + ... + 116221.

It is an arithmetic number, because the mean of its divisors is an integer number (3608080).

Almost surely, 2^87693151 is an apocalyptic number.

87693151 is a deficient number, since it is larger than the sum of its proper divisors (27765409).

87693151 is a wasteful number, since it uses less digits than its factorization.

87693151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863.

The product of its digits is 45360, while the sum is 40.

The square root of 87693151 is about 9364.4621308434. The cubic root of 87693151 is about 444.2784266022.

The spelling of 87693151 in words is "eighty-seven million, six hundred ninety-three thousand, one hundred fifty-one".