87306693 has 8 divisors (see below), whose sum is σ = 117609408. Its totient is φ = 57604224.

The previous prime is 87306649. The next prime is 87306701. The reversal of 87306693 is 39660378.

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

It is not a de Polignac number, because 87306693 - 2⁶ = 87306629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87306623) 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, 149721 + ... + 150302.

It is an arithmetic number, because the mean of its divisors is an integer number (14701176).

Almost surely, 2^87306693 is an apocalyptic number.

It is an amenable number.

87306693 is a deficient number, since it is larger than the sum of its proper divisors (30302715).

87306693 is a wasteful number, since it uses less digits than its factorization.

87306693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300123.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 87306693 is about 9343.8050600384. The cubic root of 87306693 is about 443.6248301860.

The spelling of 87306693 in words is "eighty-seven million, three hundred six thousand, six hundred ninety-three".