978478962 has 16 divisors (see below), whose sum is σ = 2072073312. Its totient is φ = 306973760.

The previous prime is 978478957. The next prime is 978478973. The reversal of 978478962 is 269874879.

It is a junction number, because it is equal to n+sod(n) for n = 978478896 and 978478905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4796364 + ... + 4796567.

It is an arithmetic number, because the mean of its divisors is an integer number (129504582).

Almost surely, 2^978478962 is an apocalyptic number.

978478962 is an abundant number, since it is smaller than the sum of its proper divisors (1093594350).

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

978478962 is a wasteful number, since it uses less digits than its factorization.

978478962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9592953.

The product of its digits is 12192768, while the sum is 60.

The square root of 978478962 is about 31280.6483628457. The cubic root of 978478962 is about 992.7742347395.

The spelling of 978478962 in words is "nine hundred seventy-eight million, four hundred seventy-eight thousand, nine hundred sixty-two".