87393078 has 48 divisors (see below), whose sum is σ = 195049296. Its totient is φ = 28267200.

The previous prime is 87393049. The next prime is 87393079. The reversal of 87393078 is 87039378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87393079) 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 23 ways as a sum of consecutive naturals, for example, 95901 + ... + 96807.

It is an arithmetic number, because the mean of its divisors is an integer number (4063527).

Almost surely, 2^87393078 is an apocalyptic number.

87393078 is an abundant number, since it is smaller than the sum of its proper divisors (107656218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87393078 is a wasteful number, since it uses less digits than its factorization.

87393078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 87393078 is about 9348.4264986146. The cubic root of 87393078 is about 443.7710957901.

The spelling of 87393078 in words is "eighty-seven million, three hundred ninety-three thousand, seventy-eight".