7890546550 has 24 divisors (see below), whose sum is σ = 14680663056. Its totient is φ = 3155305440.

The previous prime is 7890546541. The next prime is 7890546607. The reversal of 7890546550 is 556450987.

It is a junction number, because it is equal to n+sod(n) for n = 7890546494 and 7890546503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167404 + ... + 209296.

It is an arithmetic number, because the mean of its divisors is an integer number (611694294).

Almost surely, 2^7890546550 is an apocalyptic number.

7890546550 is a deficient number, since it is larger than the sum of its proper divisors (6790116506).

7890546550 is a wasteful number, since it uses less digits than its factorization.

7890546550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45672 (or 45667 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 49.

The square root of 7890546550 is about 88828.7484432827. The cubic root of 7890546550 is about 1990.8369626516.

The spelling of 7890546550 in words is "seven billion, eight hundred ninety million, five hundred forty-six thousand, five hundred fifty".