88780550 has 12 divisors (see below), whose sum is σ = 165131916. Its totient is φ = 35512200.

The previous prime is 88780547. The next prime is 88780553. The reversal of 88780550 is 5508788.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (88780547) and next prime (88780553).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 88780498 and 88780507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88780553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 887756 + ... + 887855.

It is an arithmetic number, because the mean of its divisors is an integer number (13760993).

Almost surely, 2^88780550 is an apocalyptic number.

88780550 is a deficient number, since it is larger than the sum of its proper divisors (76351366).

88780550 is a wasteful number, since it uses less digits than its factorization.

88780550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775623 (or 1775618 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 41.

The square root of 88780550 is about 9422.3431268448. The cubic root of 88780550 is about 446.1072456206.

The spelling of 88780550 in words is "eighty-eight million, seven hundred eighty thousand, five hundred fifty".