3764540778 has 16 divisors (see below), whose sum is σ = 7856433216. Its totient is φ = 1200288320.

The previous prime is 3764540777. The next prime is 3764540789. The reversal of 3764540778 is 8770454673.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3764540778.

It is not an unprimeable number, because it can be changed into a prime (3764540777) 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, 13639503 + ... + 13639778.

It is an arithmetic number, because the mean of its divisors is an integer number (491027076).

Almost surely, 2^3764540778 is an apocalyptic number.

3764540778 is an abundant number, since it is smaller than the sum of its proper divisors (4091892438).

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

3764540778 is a wasteful number, since it uses less digits than its factorization.

3764540778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27279309.

The product of its (nonzero) digits is 3951360, while the sum is 51.

The square root of 3764540778 is about 61355.8536571695. The cubic root of 3764540778 is about 1555.6217332318.

The spelling of 3764540778 in words is "three billion, seven hundred sixty-four million, five hundred forty thousand, seven hundred seventy-eight".