87006357 has 12 divisors (see below), whose sum is σ = 133068780. Its totient is φ = 54592128.

The previous prime is 87006347. The next prime is 87006379. The reversal of 87006357 is 75360078.

It can be written as a sum of positive squares in 2 ways, for example, as 70408881 + 16597476 = 8391^2 + 4074^2 .

It is not a de Polignac number, because 87006357 - 2⁴ = 87006341 is a prime.

It is a super-2 number, since 2×87006357² = 15140212316822898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87006317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284182 + ... + 284487.

It is an arithmetic number, because the mean of its divisors is an integer number (11089065).

Almost surely, 2^87006357 is an apocalyptic number.

It is an amenable number.

87006357 is a deficient number, since it is larger than the sum of its proper divisors (46062423).

87006357 is a wasteful number, since it uses less digits than its factorization.

87006357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568692 (or 568689 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 87006357 is about 9327.7198178333. The cubic root of 87006357 is about 443.1155543087.

The spelling of 87006357 in words is "eighty-seven million, six thousand, three hundred fifty-seven".