526947978 has 16 divisors (see below), whose sum is σ = 1054249056. Its totient is φ = 175590480.

The previous prime is 526947977. The next prime is 526947983. The reversal of 526947978 is 879749625.

It is not an unprimeable number, because it can be changed into a prime (526947977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7200 + ... + 33252.

It is an arithmetic number, because the mean of its divisors is an integer number (65890566).

Almost surely, 2^526947978 is an apocalyptic number.

526947978 is an abundant number, since it is smaller than the sum of its proper divisors (527301078).

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

526947978 is a wasteful number, since it uses less digits than its factorization.

526947978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29429.

The product of its digits is 7620480, while the sum is 57.

The square root of 526947978 is about 22955.3474815782. The cubic root of 526947978 is about 807.7108450111.

The spelling of 526947978 in words is "five hundred twenty-six million, nine hundred forty-seven thousand, nine hundred seventy-eight".