87950069 has 24 divisors (see below), whose sum is σ = 99486720. Its totient is φ = 77565600.

The previous prime is 87950021. The next prime is 87950077. The reversal of 87950069 is 96005978.

It is not a de Polignac number, because 87950069 - 2²⁴ = 71172853 is a prime.

It is a super-2 number, since 2×87950069² = 15470429274209522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87950089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324404 + ... + 324674.

It is an arithmetic number, because the mean of its divisors is an integer number (4145280).

Almost surely, 2^87950069 is an apocalyptic number.

It is an amenable number.

87950069 is a deficient number, since it is larger than the sum of its proper divisors (11536651).

87950069 is a wasteful number, since it uses less digits than its factorization.

87950069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 87950069 is about 9378.1698107893. The cubic root of 87950069 is about 444.7118767814.

The spelling of 87950069 in words is "eighty-seven million, nine hundred fifty thousand, sixty-nine".