80743077 has 12 divisors (see below), whose sum is σ = 118541644. Its totient is φ = 52945920.

The previous prime is 80743073. The next prime is 80743097. The reversal of 80743077 is 77034708.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5157441 + 75585636 = 2271^2 + 8694^2 .

It is not a de Polignac number, because 80743077 - 2² = 80743073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80743073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72988 + ... + 74085.

Almost surely, 2^80743077 is an apocalyptic number.

It is an amenable number.

80743077 is a deficient number, since it is larger than the sum of its proper divisors (37798567).

80743077 is a wasteful number, since it uses less digits than its factorization.

80743077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147140 (or 147137 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 80743077 is about 8985.7151635248. The cubic root of 80743077 is about 432.2169210228.

The spelling of 80743077 in words is "eighty million, seven hundred forty-three thousand, seventy-seven".