80380715 has 8 divisors (see below), whose sum is σ = 98092080. Its totient is φ = 63214432.

The previous prime is 80380711. The next prime is 80380723. The reversal of 80380715 is 51708308.

80380715 = 368² + 369² + ... + 662².

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 80380715 - 2² = 80380711 is a prime.

It is a super-2 number, since 2×80380715² = 12922118687822450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80380711) 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, 135944 + ... + 136533.

It is an arithmetic number, because the mean of its divisors is an integer number (12261510).

Almost surely, 2^80380715 is an apocalyptic number.

80380715 is a deficient number, since it is larger than the sum of its proper divisors (17711365).

80380715 is a wasteful number, since it uses less digits than its factorization.

80380715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272541.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 80380715 is about 8965.5292649124. The cubic root of 80380715 is about 431.5693779214.

It can be divided in two parts, 803 and 80715, that added together give a palindrome (81518).

The spelling of 80380715 in words is "eighty million, three hundred eighty thousand, seven hundred fifteen".