36778797028 has 6 divisors (see below), whose sum is σ = 64362894806. Its totient is φ = 18389398512.

The previous prime is 36778797007. The next prime is 36778797031. The reversal of 36778797028 is 82079787763.

36778797028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 24080211684 + 12698585344 = 155178^2 + 112688^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4597349625 + ... + 4597349632.

Almost surely, 2^36778797028 is an apocalyptic number.

It is an amenable number.

36778797028 is a deficient number, since it is larger than the sum of its proper divisors (27584097778).

36778797028 is a wasteful number, since it uses less digits than its factorization.

36778797028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194699261 (or 9194699259 counting only the distinct ones).

The product of its (nonzero) digits is 49787136, while the sum is 64.

The spelling of 36778797028 in words is "thirty-six billion, seven hundred seventy-eight million, seven hundred ninety-seven thousand, twenty-eight".