87061386 has 16 divisors (see below), whose sum is σ = 184365504. Its totient is φ = 27313344.

The previous prime is 87061339. The next prime is 87061391. The reversal of 87061386 is 68316078.

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, 426670 + ... + 426873.

It is an arithmetic number, because the mean of its divisors is an integer number (11522844).

Almost surely, 2^87061386 is an apocalyptic number.

87061386 is an abundant number, since it is smaller than the sum of its proper divisors (97304118).

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

87061386 is a wasteful number, since it uses less digits than its factorization.

87061386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853565.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 87061386 is about 9330.6691078400. The cubic root of 87061386 is about 443.2089538706.

The spelling of 87061386 in words is "eighty-seven million, sixty-one thousand, three hundred eighty-six".