80956958 has 8 divisors (see below), whose sum is σ = 128578752. Its totient is φ = 38097376.

The previous prime is 80956957. The next prime is 80956963. The reversal of 80956958 is 85965908.

It is a happy number.

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

It is a super-2 number, since 2×80956958² = 13108058097227528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80956957) 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, 1190510 + ... + 1190577.

It is an arithmetic number, because the mean of its divisors is an integer number (16072344).

Almost surely, 2^80956958 is an apocalyptic number.

80956958 is a deficient number, since it is larger than the sum of its proper divisors (47621794).

80956958 is a wasteful number, since it uses less digits than its factorization.

80956958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381106.

The product of its (nonzero) digits is 777600, while the sum is 50.

The square root of 80956958 is about 8997.6084600298. The cubic root of 80956958 is about 432.5982188640.

The spelling of 80956958 in words is "eighty million, nine hundred fifty-six thousand, nine hundred fifty-eight".