76531087 has 8 divisors (see below), whose sum is σ = 80856000. Its totient is φ = 72318624.

The previous prime is 76531073. The next prime is 76531121. The reversal of 76531087 is 78013567.

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

It is a cyclic number.

It is not a de Polignac number, because 76531087 - 2²³ = 68142479 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 (76531067) 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, 26712 + ... + 29437.

It is an arithmetic number, because the mean of its divisors is an integer number (10107000).

Almost surely, 2^76531087 is an apocalyptic number.

76531087 is a deficient number, since it is larger than the sum of its proper divisors (4324913).

76531087 is a wasteful number, since it uses less digits than its factorization.

76531087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56225.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 76531087 is about 8748.2047872692. The cubic root of 76531087 is about 424.5667316937.

The spelling of 76531087 in words is "seventy-six million, five hundred thirty-one thousand, eighty-seven".