76716553 has 2 divisors, whose sum is σ = 76716554. Its totient is φ = 76716552.

The previous prime is 76716533. The next prime is 76716557. The reversal of 76716553 is 35561767.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49956624 + 26759929 = 7068^2 + 5173^2 .

It is a cyclic number.

It is not a de Polignac number, because 76716553 - 2²¹ = 74619401 is a prime.

It is equal to p_4488907 and since 76716553 and 4488907 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (76716557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38358276 + 38358277.

It is an arithmetic number, because the mean of its divisors is an integer number (38358277).

Almost surely, 2^76716553 is an apocalyptic number.

It is an amenable number.

76716553 is a deficient number, since it is larger than the sum of its proper divisors (1).

76716553 is an equidigital number, since it uses as much as digits as its factorization.

76716553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 40.

The square root of 76716553 is about 8758.7986048316. The cubic root of 76716553 is about 424.9094210657.

The spelling of 76716553 in words is "seventy-six million, seven hundred sixteen thousand, five hundred fifty-three".