80763157 has 4 divisors (see below), whose sum is σ = 80874976. Its totient is φ = 80651340.

The previous prime is 80763131. The next prime is 80763161. The reversal of 80763157 is 75136708.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80763157 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 (80763127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54819 + ... + 56272.

It is an arithmetic number, because the mean of its divisors is an integer number (20218744).

Almost surely, 2^80763157 is an apocalyptic number.

It is an amenable number.

80763157 is a deficient number, since it is larger than the sum of its proper divisors (111819).

80763157 is a wasteful number, since it uses less digits than its factorization.

80763157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111818.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 80763157 is about 8986.8324230510. The cubic root of 80763157 is about 432.2527474025.

The spelling of 80763157 in words is "eighty million, seven hundred sixty-three thousand, one hundred fifty-seven".