7776000087 has 8 divisors (see below), whose sum is σ = 10387826304. Its totient is φ = 5174086968.

The previous prime is 7776000083. The next prime is 7776000119. The reversal of 7776000087 is 7800006777.

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

It is not a de Polignac number, because 7776000087 - 2² = 7776000083 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7776000083) 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, 2476443 + ... + 2479580.

It is an arithmetic number, because the mean of its divisors is an integer number (1298478288).

Almost surely, 2^7776000087 is an apocalyptic number.

7776000087 is a deficient number, since it is larger than the sum of its proper divisors (2611826217).

7776000087 is a wasteful number, since it uses less digits than its factorization.

7776000087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956549.

The product of its (nonzero) digits is 115248, while the sum is 42.

The square root of 7776000087 is about 88181.6312334944. The cubic root of 7776000087 is about 1981.1563567253.

The spelling of 7776000087 in words is "seven billion, seven hundred seventy-six million, eighty-seven", and thus it is an aban number.