80069957 has 8 divisors (see below), whose sum is σ = 90361440. Its totient is φ = 70280560.

The previous prime is 80069953. The next prime is 80069959. The reversal of 80069957 is 75996008.

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

It is a cyclic number.

It is not a de Polignac number, because 80069957 - 2² = 80069953 is a prime.

It is a super-2 number, since 2×80069957² = 12822396027963698, 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 (80069953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125183 + ... + 125820.

It is an arithmetic number, because the mean of its divisors is an integer number (11295180).

Almost surely, 2^80069957 is an apocalyptic number.

It is an amenable number.

80069957 is a deficient number, since it is larger than the sum of its proper divisors (10291483).

80069957 is a wasteful number, since it uses less digits than its factorization.

80069957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251043.

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

The square root of 80069957 is about 8948.1817706169. The cubic root of 80069957 is about 431.0124995702.

The spelling of 80069957 in words is "eighty million, sixty-nine thousand, nine hundred fifty-seven".