80070816 has 192 divisors, whose sum is σ = 261854208. Its totient is φ = 20901888.

The previous prime is 80070803. The next prime is 80070871. The reversal of 80070816 is 61807008.

80070816 = T₄₄₀ + T₄₄₁ + ... + T₈₂₆.

It is a super-2 number, since 2×80070816² = 12822671149811712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491151 + ... + 491313.

It is an arithmetic number, because the mean of its divisors is an integer number (1363824).

Almost surely, 2^80070816 is an apocalyptic number.

80070816 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80070816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130927104).

80070816 is an abundant number, since it is smaller than the sum of its proper divisors (181783392).

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

80070816 is a wasteful number, since it uses less digits than its factorization.

80070816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 80070816 is about 8948.2297690661. The cubic root of 80070816 is about 431.0140408824.

The spelling of 80070816 in words is "eighty million, seventy thousand, eight hundred sixteen".