7846920450 has 36 divisors (see below), whose sum is σ = 21082060818. Its totient is φ = 2092512000.

The previous prime is 7846920449. The next prime is 7846920457. The reversal of 7846920450 is 540296487.

It is a happy number.

7846920450 is a `hidden beast` number, since 78 + 46 + 92 + 0 + 450 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6464642409 + 1382278041 = 80403^2 + 37179^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 7846920396 and 7846920405.

It is not an unprimeable number, because it can be changed into a prime (7846920457) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8718351 + ... + 8719250.

Almost surely, 2^7846920450 is an apocalyptic number.

7846920450 is an abundant number, since it is smaller than the sum of its proper divisors (13235140368).

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

7846920450 is a wasteful number, since it uses less digits than its factorization.

7846920450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17437619 (or 17437611 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 7846920450 is about 88582.8451225179. The cubic root of 7846920450 is about 1987.1611288873.

The spelling of 7846920450 in words is "seven billion, eight hundred forty-six million, nine hundred twenty thousand, four hundred fifty".