88000400387 has 2 divisors, whose sum is σ = 88000400388. Its totient is φ = 88000400386.

The previous prime is 88000400381. The next prime is 88000400413. The reversal of 88000400387 is 78300400088.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88000400387 - 2³⁴ = 70820531203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88000400387.

It is not a weakly prime, because it can be changed into another prime (88000400381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44000200193 + 44000200194.

It is an arithmetic number, because the mean of its divisors is an integer number (44000200194).

Almost surely, 2^88000400387 is an apocalyptic number.

88000400387 is a deficient number, since it is larger than the sum of its proper divisors (1).

88000400387 is an equidigital number, since it uses as much as digits as its factorization.

88000400387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 88000400387 in words is "eighty-eight billion, four hundred thousand, three hundred eighty-seven".