87150730 has 16 divisors (see below), whose sum is σ = 156978504. Its totient is φ = 34836480.

The previous prime is 87150691. The next prime is 87150733. The reversal of 87150730 is 3705178.

It can be written as a sum of positive squares in 4 ways, for example, as 80478841 + 6671889 = 8971^2 + 2583^2 .

It is a junction number, because it is equal to n+sod(n) for n = 87150692 and 87150701.

It is not an unprimeable number, because it can be changed into a prime (87150733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24250 + ... + 27610.

Almost surely, 2^87150730 is an apocalyptic number.

87150730 is a deficient number, since it is larger than the sum of its proper divisors (69827774).

87150730 is a wasteful number, since it uses less digits than its factorization.

87150730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5961.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 87150730 is about 9335.4555325383. The cubic root of 87150730 is about 443.3605117728.

The spelling of 87150730 in words is "eighty-seven million, one hundred fifty thousand, seven hundred thirty".