987764153 has 4 divisors (see below), whose sum is σ = 1039751760. Its totient is φ = 935776548.

The previous prime is 987764149. The next prime is 987764171. The reversal of 987764153 is 351467789.

987764153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 351467789 = 14699 ⋅23911.

It is a cyclic number.

It is not a de Polignac number, because 987764153 - 2² = 987764149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (987767153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25993775 + ... + 25993812.

It is an arithmetic number, because the mean of its divisors is an integer number (259937940).

Almost surely, 2^987764153 is an apocalyptic number.

It is an amenable number.

987764153 is a deficient number, since it is larger than the sum of its proper divisors (51987607).

987764153 is a wasteful number, since it uses less digits than its factorization.

987764153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51987606.

The product of its digits is 1270080, while the sum is 50.

The square root of 987764153 is about 31428.7154207740. The cubic root of 987764153 is about 995.9046352165.

The spelling of 987764153 in words is "nine hundred eighty-seven million, seven hundred sixty-four thousand, one hundred fifty-three".