80077964 has 12 divisors (see below), whose sum is σ = 141078000. Its totient is φ = 39769968.

The previous prime is 80077919. The next prime is 80077967. The reversal of 80077964 is 46977008.

80077964 = T₃₆₁ + T₃₆₂ + ... + T₈₀₇.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (80077967) 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, 66584 + ... + 67775.

It is an arithmetic number, because the mean of its divisors is an integer number (11756500).

Almost surely, 2^80077964 is an apocalyptic number.

It is an amenable number.

80077964 is a deficient number, since it is larger than the sum of its proper divisors (61000036).

80077964 is a wasteful number, since it uses less digits than its factorization.

80077964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134512 (or 134510 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 80077964 is about 8948.6291687610. The cubic root of 80077964 is about 431.0268661824.

The spelling of 80077964 in words is "eighty million, seventy-seven thousand, nine hundred sixty-four".