978248901 has 32 divisors (see below), whose sum is σ = 1588128768. Its totient is φ = 522858240.

The previous prime is 978248827. The next prime is 978248917. The reversal of 978248901 is 109842879.

It is not a de Polignac number, because 978248901 - 2²² = 974054597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978248941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49786 + ... + 66596.

It is an arithmetic number, because the mean of its divisors is an integer number (49629024).

Almost surely, 2^978248901 is an apocalyptic number.

It is an amenable number.

978248901 is a deficient number, since it is larger than the sum of its proper divisors (609879867).

978248901 is a wasteful number, since it uses less digits than its factorization.

978248901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17001.

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 978248901 is about 31276.9707772348. The cubic root of 978248901 is about 992.6964212675.

The spelling of 978248901 in words is "nine hundred seventy-eight million, two hundred forty-eight thousand, nine hundred one".