87708061 has 8 divisors (see below), whose sum is σ = 102682944. Its totient is φ = 73344480.

The previous prime is 87708053. The next prime is 87708073. The reversal of 87708061 is 16080778.

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 87708061 - 2³ = 87708053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87708061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87708011) 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, 152515 + ... + 153088.

It is an arithmetic number, because the mean of its divisors is an integer number (12835368).

Almost surely, 2^87708061 is an apocalyptic number.

It is an amenable number.

87708061 is a deficient number, since it is larger than the sum of its proper divisors (14974883).

87708061 is a wasteful number, since it uses less digits than its factorization.

87708061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305651.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 87708061 is about 9365.2581918493. The cubic root of 87708061 is about 444.3036046078.

The spelling of 87708061 in words is "eighty-seven million, seven hundred eight thousand, sixty-one".