77150143 has 16 divisors (see below), whose sum is σ = 91248640. Its totient is φ = 63848736.

The previous prime is 77150137. The next prime is 77150147. The reversal of 77150143 is 34105177.

It is a de Polignac number, because none of the positive numbers 2^k-77150143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77150147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34930 + ... + 37072.

It is an arithmetic number, because the mean of its divisors is an integer number (5703040).

Almost surely, 2^77150143 is an apocalyptic number.

77150143 is a deficient number, since it is larger than the sum of its proper divisors (14098497).

77150143 is a wasteful number, since it uses less digits than its factorization.

77150143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 77150143 is about 8783.5154124075. The cubic root of 77150143 is about 425.7084249420.

The spelling of 77150143 in words is "seventy-seven million, one hundred fifty thousand, one hundred forty-three".