77276153 has 2 divisors, whose sum is σ = 77276154. Its totient is φ = 77276152.

The previous prime is 77276107. The next prime is 77276167. The reversal of 77276153 is 35167277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57942544 + 19333609 = 7612^2 + 4397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77276153 is a prime.

It is not a weakly prime, because it can be changed into another prime (77276053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38638076 + 38638077.

It is an arithmetic number, because the mean of its divisors is an integer number (38638077).

Almost surely, 2^77276153 is an apocalyptic number.

It is an amenable number.

77276153 is a deficient number, since it is larger than the sum of its proper divisors (1).

77276153 is an equidigital number, since it uses as much as digits as its factorization.

77276153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61740, while the sum is 38.

The square root of 77276153 is about 8790.6855819100. The cubic root of 77276153 is about 425.9400699636.

The spelling of 77276153 in words is "seventy-seven million, two hundred seventy-six thousand, one hundred fifty-three".