102023780157887 has 8 divisors (see below), whose sum is σ = 117209069801472. Its totient is φ = 86991106491000.

The previous prime is 102023780157847. The next prime is 102023780157917. The reversal of 102023780157887 is 788751087320201.

It is a happy number.

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 102023780157887 - 2⁸ = 102023780157631 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 (102023780157847) 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, 38153992739 + ... + 38153995412.

It is an arithmetic number, because the mean of its divisors is an integer number (14651133725184).

Almost surely, 2^{102023780157887} is an apocalyptic number.

102023780157887 is a deficient number, since it is larger than the sum of its proper divisors (15185289643585).

102023780157887 is an equidigital number, since it uses as much as digits as its factorization.

102023780157887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76307988349.

The product of its (nonzero) digits is 10536960, while the sum is 59.

The spelling of 102023780157887 in words is "one hundred two trillion, twenty-three billion, seven hundred eighty million, one hundred fifty-seven thousand, eight hundred eighty-seven".