93906686777087 has 16 divisors (see below), whose sum is σ = 97212545625600. Its totient is φ = 90605349579360.

The previous prime is 93906686777011. The next prime is 93906686777153. The reversal of 93906686777087 is 78077768660939.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93906686777087 is a prime.

It is a super-2 number, since 2×93906686777087² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 93906686776996 and 93906686777014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93906686777587) 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, 693897614 + ... + 694032932.

It is an arithmetic number, because the mean of its divisors is an integer number (6075784101600).

Almost surely, 2^{93906686777087} is an apocalyptic number.

93906686777087 is a deficient number, since it is larger than the sum of its proper divisors (3305858848513).

93906686777087 is a wasteful number, since it uses less digits than its factorization.

93906686777087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151846.

The product of its (nonzero) digits is 8065516032, while the sum is 83.

The spelling of 93906686777087 in words is "ninety-three trillion, nine hundred six billion, six hundred eighty-six million, seven hundred seventy-seven thousand, eighty-seven".