87179078 has 16 divisors (see below), whose sum is σ = 152630784. Its totient is φ = 36567240.

The previous prime is 87179069. The next prime is 87179101. The reversal of 87179078 is 87097178.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65588 + ... + 66903.

It is an arithmetic number, because the mean of its divisors is an integer number (9539424).

Almost surely, 2^87179078 is an apocalyptic number.

87179078 is a deficient number, since it is larger than the sum of its proper divisors (65451706).

87179078 is a wasteful number, since it uses less digits than its factorization.

87179078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132547.

The product of its (nonzero) digits is 197568, while the sum is 47.

The square root of 87179078 is about 9336.9737067210. The cubic root of 87179078 is about 443.4085780036.

The spelling of 87179078 in words is "eighty-seven million, one hundred seventy-nine thousand, seventy-eight".