3865620803102 has 32 divisors (see below), whose sum is σ = 6312640430880. Its totient is φ = 1768149253120.

The previous prime is 3865620803089. The next prime is 3865620803113. The reversal of 3865620803102 is 2013080265683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4779368 + ... + 5529339.

It is an arithmetic number, because the mean of its divisors is an integer number (197270013465).

Almost surely, 2^{3865620803102} is an apocalyptic number.

3865620803102 is a deficient number, since it is larger than the sum of its proper divisors (2447019627778).

3865620803102 is a wasteful number, since it uses less digits than its factorization.

3865620803102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10309036.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 3865620803102 in words is "three trillion, eight hundred sixty-five billion, six hundred twenty million, eight hundred three thousand, one hundred two".