87101390 has 16 divisors (see below), whose sum is σ = 158336640. Its totient is φ = 34495200.

The previous prime is 87101389. The next prime is 87101447. The reversal of 87101390 is 9310178.

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, 42110 + ... + 44129.

It is an arithmetic number, because the mean of its divisors is an integer number (9896040).

Almost surely, 2^87101390 is an apocalyptic number.

87101390 is a deficient number, since it is larger than the sum of its proper divisors (71235250).

87101390 is a wasteful number, since it uses less digits than its factorization.

87101390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86347.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 87101390 is about 9332.8125449941. The cubic root of 87101390 is about 443.2768271145.

The spelling of 87101390 in words is "eighty-seven million, one hundred one thousand, three hundred ninety".