87693939093 has 16 divisors (see below), whose sum is σ = 117057275712. Its totient is φ = 58396656000.

The previous prime is 87693939029. The next prime is 87693939127. The reversal of 87693939093 is 39093939678.

It is not a de Polignac number, because 87693939093 - 2⁶ = 87693939029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87693931093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17462923 + ... + 17467943.

It is an arithmetic number, because the mean of its divisors is an integer number (7316079732).

Almost surely, 2^87693939093 is an apocalyptic number.

It is an amenable number.

87693939093 is a deficient number, since it is larger than the sum of its proper divisors (29363336619).

87693939093 is a wasteful number, since it uses less digits than its factorization.

87693939093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10436.

The product of its (nonzero) digits is 59521392, while the sum is 66.

The spelling of 87693939093 in words is "eighty-seven billion, six hundred ninety-three million, nine hundred thirty-nine thousand, ninety-three".