78152277020036 has 12 divisors (see below), whose sum is σ = 136888925692428. Its totient is φ = 39041155393632.

The previous prime is 78152277019969. The next prime is 78152277020057. The reversal of 78152277020036 is 63002077225187.

It can be written as a sum of positive squares in 2 ways, for example, as 10415426562436 + 67736850457600 = 3227294^2 + 8230240^2 .

It is a super-2 number, since 2×78152277020036² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8745774071 + ... + 8745783006.

It is an arithmetic number, because the mean of its divisors is an integer number (11407410474369).

Almost surely, 2^{78152277020036} is an apocalyptic number.

It is an amenable number.

78152277020036 is a deficient number, since it is larger than the sum of its proper divisors (58736648672392).

78152277020036 is a wasteful number, since it uses less digits than its factorization.

78152277020036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17491558198 (or 17491558196 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 78152277020036 in words is "seventy-eight trillion, one hundred fifty-two billion, two hundred seventy-seven million, twenty thousand, thirty-six".