87578351 has 8 divisors (see below), whose sum is σ = 100150560. Its totient is φ = 75021408.

The previous prime is 87578341. The next prime is 87578357. The reversal of 87578351 is 15387578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87578351 - 2²² = 83384047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87578357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14105 + ... + 19341.

It is an arithmetic number, because the mean of its divisors is an integer number (12518820).

Almost surely, 2^87578351 is an apocalyptic number.

87578351 is a deficient number, since it is larger than the sum of its proper divisors (12572209).

87578351 is a wasteful number, since it uses less digits than its factorization.

87578351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7633.

The product of its digits is 235200, while the sum is 44.

The square root of 87578351 is about 9358.3305669334. The cubic root of 87578351 is about 444.0844721324.

The spelling of 87578351 in words is "eighty-seven million, five hundred seventy-eight thousand, three hundred fifty-one".