3680778475 has 12 divisors (see below), whose sum is σ = 4979089800. Its totient is φ = 2676929600.

The previous prime is 3680778473. The next prime is 3680778499. The reversal of 3680778475 is 5748770863.

It is not a de Polignac number, because 3680778475 - 2¹ = 3680778473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (3680778473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6692050 + ... + 6692599.

It is an arithmetic number, because the mean of its divisors is an integer number (414924150).

Almost surely, 2^3680778475 is an apocalyptic number.

3680778475 is a deficient number, since it is larger than the sum of its proper divisors (1298311325).

3680778475 is a wasteful number, since it uses less digits than its factorization.

3680778475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13384670 (or 13384665 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 55.

The square root of 3680778475 is about 60669.4196032894. The cubic root of 3680778475 is about 1543.9973840137.

The spelling of 3680778475 in words is "three billion, six hundred eighty million, seven hundred seventy-eight thousand, four hundred seventy-five".