978356425 has 12 divisors (see below), whose sum is σ = 1241376400. Its totient is φ = 764482320.

The previous prime is 978356419. The next prime is 978356429. The reversal of 978356425 is 524653879.

It is not a de Polignac number, because 978356425 - 2⁷ = 978356297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (978356429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453975 + ... + 456124.

Almost surely, 2^978356425 is an apocalyptic number.

It is an amenable number.

978356425 is a deficient number, since it is larger than the sum of its proper divisors (263019975).

978356425 is a wasteful number, since it uses less digits than its factorization.

978356425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910152 (or 910147 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The square root of 978356425 is about 31278.6896304816. The cubic root of 978356425 is about 992.7327906003.

The spelling of 978356425 in words is "nine hundred seventy-eight million, three hundred fifty-six thousand, four hundred twenty-five".