70778485484 has 96 divisors (see below), whose sum is σ = 148318248960. Its totient is φ = 28926144000.

The previous prime is 70778485451. The next prime is 70778485487. The reversal of 70778485484 is 48458487707.

It is not an unprimeable number, because it can be changed into a prime (70778485487) 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, 9156029 + ... + 9163755.

It is an arithmetic number, because the mean of its divisors is an integer number (1544981760).

Almost surely, 2^70778485484 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 70778485484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74159124480).

70778485484 is an abundant number, since it is smaller than the sum of its proper divisors (77539763476).

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

70778485484 is a wasteful number, since it uses less digits than its factorization.

70778485484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7959 (or 7957 counting only the distinct ones).

The product of its (nonzero) digits is 56197120, while the sum is 62.

The spelling of 70778485484 in words is "seventy billion, seven hundred seventy-eight million, four hundred eighty-five thousand, four hundred eighty-four".