80696780 has 24 divisors (see below), whose sum is σ = 170417520. Its totient is φ = 32096960.

The previous prime is 80696771. The next prime is 80696789. The reversal of 80696780 is 8769608.

It is an interprime number because it is at equal distance from previous prime (80696771) and next prime (80696789).

It is not an unprimeable number, because it can be changed into a prime (80696789) 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, 7691 + ... + 14850.

It is an arithmetic number, because the mean of its divisors is an integer number (7100730).

Almost surely, 2^80696780 is an apocalyptic number.

It is an amenable number.

80696780 is an abundant number, since it is smaller than the sum of its proper divisors (89720740).

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

80696780 is a wasteful number, since it uses less digits than its factorization.

80696780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22729 (or 22727 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 80696780 is about 8983.1386497148. The cubic root of 80696780 is about 432.1342960956.

The spelling of 80696780 in words is "eighty million, six hundred ninety-six thousand, seven hundred eighty".