65058990 has 32 divisors (see below), whose sum is σ = 156725280. Its totient is φ = 17284224.

The previous prime is 65058989. The next prime is 65058991. The reversal of 65058990 is 9985056.

It is an interprime number because it is at equal distance from previous prime (65058989) and next prime (65058991).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65058991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4396 + ... + 12224.

It is an arithmetic number, because the mean of its divisors is an integer number (4897665).

Almost surely, 2^65058990 is an apocalyptic number.

65058990 is an abundant number, since it is smaller than the sum of its proper divisors (91666290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65058990 is a wasteful number, since it uses less digits than its factorization.

65058990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8116.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 65058990 is about 8065.9153231360. The cubic root of 65058990 is about 402.1941711911.

The spelling of 65058990 in words is "sixty-five million, fifty-eight thousand, nine hundred ninety".