86992790 has 8 divisors (see below), whose sum is σ = 156587040. Its totient is φ = 34797112.

The previous prime is 86992753. The next prime is 86992799. The reversal of 86992790 is 9729968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86992799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4349630 + ... + 4349649.

It is an arithmetic number, because the mean of its divisors is an integer number (19573380).

Almost surely, 2^86992790 is an apocalyptic number.

86992790 is a deficient number, since it is larger than the sum of its proper divisors (69594250).

86992790 is a wasteful number, since it uses less digits than its factorization.

86992790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8699286.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 86992790 is about 9326.9925485121. The cubic root of 86992790 is about 443.0925212744.

The spelling of 86992790 in words is "eighty-six million, nine hundred ninety-two thousand, seven hundred ninety".