978758080 has 112 divisors (see below), whose sum is σ = 2422794240. Its totient is φ = 376337408.

The previous prime is 978758069. The next prime is 978758083. The reversal of 978758080 is 80857879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978758083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886809 + ... + 887911.

Almost surely, 2^978758080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 978758080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211397120).

978758080 is an abundant number, since it is smaller than the sum of its proper divisors (1444036160).

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

978758080 is a wasteful number, since it uses less digits than its factorization.

978758080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 52.

The square root of 978758080 is about 31285.1095571040. The cubic root of 978758080 is about 992.8686243740.

The spelling of 978758080 in words is "nine hundred seventy-eight million, seven hundred fifty-eight thousand, eighty".