87999435 has 12 divisors (see below), whose sum is σ = 152532432. Its totient is φ = 46933008.

The previous prime is 87999419. The next prime is 87999437. The reversal of 87999435 is 53499978.

It is not a de Polignac number, because 87999435 - 2⁴ = 87999419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87999437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977727 + ... + 977816.

It is an arithmetic number, because the mean of its divisors is an integer number (12711036).

Almost surely, 2^87999435 is an apocalyptic number.

87999435 is a deficient number, since it is larger than the sum of its proper divisors (64532997).

87999435 is a wasteful number, since it uses less digits than its factorization.

87999435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955554 (or 1955551 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 87999435 is about 9380.8014049973. The cubic root of 87999435 is about 444.7950661810.

The spelling of 87999435 in words is "eighty-seven million, nine hundred ninety-nine thousand, four hundred thirty-five".