7880801087 has 2 divisors, whose sum is σ = 7880801088. Its totient is φ = 7880801086.

The previous prime is 7880801081. The next prime is 7880801107. The reversal of 7880801087 is 7801080887.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7880801087 - 2⁶ = 7880801023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7880801081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3940400543 + 3940400544.

It is an arithmetic number, because the mean of its divisors is an integer number (3940400544).

Almost surely, 2^7880801087 is an apocalyptic number.

7880801087 is a deficient number, since it is larger than the sum of its proper divisors (1).

7880801087 is an equidigital number, since it uses as much as digits as its factorization.

7880801087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200704, while the sum is 47.

The square root of 7880801087 is about 88773.8761517148. The cubic root of 7880801087 is about 1990.0170101153.

The spelling of 7880801087 in words is "seven billion, eight hundred eighty million, eight hundred one thousand, eighty-seven".