87000923907 has 16 divisors (see below), whose sum is σ = 129154938880. Its totient is φ = 57881509416.

The previous prime is 87000923903. The next prime is 87000923959. The reversal of 87000923907 is 70932900078.

It is not a de Polignac number, because 87000923907 - 2² = 87000923903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87000923903) 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, 3295123 + ... + 3321420.

It is an arithmetic number, because the mean of its divisors is an integer number (8072183680).

Almost surely, 2^87000923907 is an apocalyptic number.

87000923907 is a deficient number, since it is larger than the sum of its proper divisors (42154014973).

87000923907 is a wasteful number, since it uses less digits than its factorization.

87000923907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617039 (or 6617033 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 87000923907 in words is "eighty-seven billion, nine hundred twenty-three thousand, nine hundred seven".