7870401045 has 40 divisors (see below), whose sum is σ = 15193696056. Its totient is φ = 3874656384.

The previous prime is 7870401029. The next prime is 7870401053. The reversal of 7870401045 is 5401040787.

7870401045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 164019249 + 7706381796 = 12807^2 + 87786^2 .

It is not a de Polignac number, because 7870401045 - 2⁴ = 7870401029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 742162 + ... + 752691.

Almost surely, 2^7870401045 is an apocalyptic number.

It is an amenable number.

7870401045 is a deficient number, since it is larger than the sum of its proper divisors (7323295011).

7870401045 is a wasteful number, since it uses less digits than its factorization.

7870401045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494883 (or 1494874 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 7870401045 is about 88715.2807863448. The cubic root of 7870401045 is about 1989.1412374198.

The spelling of 7870401045 in words is "seven billion, eight hundred seventy million, four hundred one thousand, forty-five".