987263023451 has 2 divisors, whose sum is σ = 987263023452. Its totient is φ = 987263023450.

The previous prime is 987263023447. The next prime is 987263023493. The reversal of 987263023451 is 154320362789.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 987263023451 - 2² = 987263023447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 987263023451.

It is not a weakly prime, because it can be changed into another prime (987263023151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493631511725 + 493631511726.

It is an arithmetic number, because the mean of its divisors is an integer number (493631511726).

It is a 1-persistent number, because it is pandigital, but 2⋅987263023451 = 1974526046902 is not.

Almost surely, 2^987263023451 is an apocalyptic number.

987263023451 is a deficient number, since it is larger than the sum of its proper divisors (1).

987263023451 is an equidigital number, since it uses as much as digits as its factorization.

987263023451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 987263023451 in words is "nine hundred eighty-seven billion, two hundred sixty-three million, twenty-three thousand, four hundred fifty-one".