36388978057 has 8 divisors (see below), whose sum is σ = 38621469600. Its totient is φ = 34166704704.

The previous prime is 36388978039. The next prime is 36388978069. The reversal of 36388978057 is 75087988363.

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 36388978057 - 2¹⁵ = 36388945289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36388978057.

It is not an unprimeable number, because it can be changed into a prime (36388978027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2547207 + ... + 2561452.

It is an arithmetic number, because the mean of its divisors is an integer number (4827683700).

Almost surely, 2^36388978057 is an apocalyptic number.

It is an amenable number.

36388978057 is a deficient number, since it is larger than the sum of its proper divisors (2232491543).

36388978057 is a wasteful number, since it uses less digits than its factorization.

36388978057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109095.

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 36388978057 in words is "thirty-six billion, three hundred eighty-eight million, nine hundred seventy-eight thousand, fifty-seven".