76603542999025 has 81 divisors (see below), whose sum is σ = 114451593657921. Its totient is φ = 50710946892480.

The previous prime is 76603542999023. The next prime is 76603542999029. The reversal of 76603542999025 is 52099924530667.

The square root of 76603542999025 is 8752345.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1052957142769 + 75550585856256 = 1026137^2 + 8691984^2 .

It is not a de Polignac number, because 76603542999025 - 2¹ = 76603542999023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76603542999023) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 8883625864 + ... + 8883634486.

Almost surely, 2^{76603542999025} is an apocalyptic number.

76603542999025 is the 8752345-th square number.

76603542999025 is the 4376173-rd centered octagonal number.

It is an amenable number.

76603542999025 is a deficient number, since it is larger than the sum of its proper divisors (37848050658896).

76603542999025 is an frugal number, since it uses more digits than its factorization.

76603542999025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17328 (or 8664 counting only the distinct ones).

The product of its (nonzero) digits is 220449600, while the sum is 67.

The spelling of 76603542999025 in words is "seventy-six trillion, six hundred three billion, five hundred forty-two million, nine hundred ninety-nine thousand, twenty-five".