87040007 has 8 divisors (see below), whose sum is σ = 93856560. Its totient is φ = 80447040.

The previous prime is 87040001. The next prime is 87040039. The reversal of 87040007 is 70004078.

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 87040007 - 2¹⁴ = 87023623 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 (87040001) 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, 55088 + ... + 56645.

It is an arithmetic number, because the mean of its divisors is an integer number (11732070).

Almost surely, 2^87040007 is an apocalyptic number.

87040007 is a deficient number, since it is larger than the sum of its proper divisors (6816553).

87040007 is a wasteful number, since it uses less digits than its factorization.

87040007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111793.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 87040007 is about 9329.5234069056. The cubic root of 87040007 is about 443.1726724208.

The spelling of 87040007 in words is "eighty-seven million, forty thousand, seven".