77487104760976 has 135 divisors (see below), whose sum is σ = 153692047107417. Its totient is φ = 37845873087360.

The previous prime is 77487104760973. The next prime is 77487104760979. The reversal of 77487104760976 is 67906740178477.

The square root of 77487104760976 is 8802676.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (77487104760973) and next prime (77487104760979).

It can be written as a sum of positive squares in only one way, i.e., 22712659008400 + 54774445752576 = 4765780^2 + 7400976^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77487104760899 and 77487104760908.

It is not an unprimeable number, because it can be changed into a prime (77487104760973) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 493548437890 + ... + 493548438046.

Almost surely, 2^{77487104760976} is an apocalyptic number.

77487104760976 is the 8802676-th square number.

It is an amenable number.

77487104760976 is a deficient number, since it is larger than the sum of its proper divisors (76204942346441).

77487104760976 is an equidigital number, since it uses as much as digits as its factorization.

77487104760976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 697019904, while the sum is 73.

The spelling of 77487104760976 in words is "seventy-seven trillion, four hundred eighty-seven billion, one hundred four million, seven hundred sixty thousand, nine hundred seventy-six".