3870455328157 has 48 divisors (see below), whose sum is σ = 4524192212400. Its totient is φ = 3302343475200.

The previous prime is 3870455328151. The next prime is 3870455328169. The reversal of 3870455328157 is 7518235540783.

It can be written as a sum of positive squares in 8 ways, for example, as 12574033956 + 3857881294201 = 112134^2 + 1964149^2 .

It is not a de Polignac number, because 3870455328157 - 2³ = 3870455328149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870455328151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143971357 + ... + 143998237.

It is an arithmetic number, because the mean of its divisors is an integer number (94254004425).

Almost surely, 2^{3870455328157} is an apocalyptic number.

3870455328157 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3870455328157 is a deficient number, since it is larger than the sum of its proper divisors (653736884243).

3870455328157 is a wasteful number, since it uses less digits than its factorization.

3870455328157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28078 (or 28067 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 58.

The spelling of 3870455328157 in words is "three trillion, eight hundred seventy billion, four hundred fifty-five million, three hundred twenty-eight thousand, one hundred fifty-seven".