87034436 has 6 divisors (see below), whose sum is σ = 152310270. Its totient is φ = 43517216.

The previous prime is 87034399. The next prime is 87034439. The reversal of 87034436 is 63443078.

It can be written as a sum of positive squares in only one way, i.e., 62094400 + 24940036 = 7880^2 + 4994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 87034396 and 87034405.

It is not an unprimeable number, because it can be changed into a prime (87034439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10879301 + ... + 10879308.

It is an arithmetic number, because the mean of its divisors is an integer number (25385045).

Almost surely, 2^87034436 is an apocalyptic number.

It is an amenable number.

87034436 is a deficient number, since it is larger than the sum of its proper divisors (65275834).

87034436 is a wasteful number, since it uses less digits than its factorization.

87034436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21758613 (or 21758611 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 87034436 is about 9329.2248338219. The cubic root of 87034436 is about 443.1632171227.

The spelling of 87034436 in words is "eighty-seven million, thirty-four thousand, four hundred thirty-six".