36978120257 has 8 divisors (see below), whose sum is σ = 41554008384. Its totient is φ = 32649577488.

The previous prime is 36978120253. The next prime is 36978120301. The reversal of 36978120257 is 75202187963.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36978120257 - 2² = 36978120253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36978120253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61836023 + ... + 61836620.

It is an arithmetic number, because the mean of its divisors is an integer number (5194251048).

Almost surely, 2^36978120257 is an apocalyptic number.

It is an amenable number.

36978120257 is a deficient number, since it is larger than the sum of its proper divisors (4575888127).

36978120257 is a wasteful number, since it uses less digits than its factorization.

36978120257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123672679.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 36978120257 in words is "thirty-six billion, nine hundred seventy-eight million, one hundred twenty thousand, two hundred fifty-seven".