37778532012 has 72 divisors (see below), whose sum is σ = 103651498496. Its totient is φ = 11532616704.

The previous prime is 37778531983. The next prime is 37778532031. The reversal of 37778532012 is 21023587773.

It is a happy number.

37778532012 is a `hidden beast` number, since 37 + 7 + 78 + 532 + 0 + 12 = 666.

37778532012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258373 + ... + 377244.

Almost surely, 2^37778532012 is an apocalyptic number.

It is an amenable number.

37778532012 is an abundant number, since it is smaller than the sum of its proper divisors (65872966484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37778532012 is a wasteful number, since it uses less digits than its factorization.

37778532012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635767 (or 635762 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 37778532012 in words is "thirty-seven billion, seven hundred seventy-eight million, five hundred thirty-two thousand, twelve".