5437778980 has 24 divisors (see below), whose sum is σ = 11813107320. Its totient is φ = 2100107520.

The previous prime is 5437778971. The next prime is 5437778993. The reversal of 5437778980 is 898777345.

It can be written as a sum of positive squares in 4 ways, for example, as 2208812004 + 3228966976 = 46998^2 + 56824^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

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, 4687161 + ... + 4688320.

It is an arithmetic number, because the mean of its divisors is an integer number (492212805).

Almost surely, 2^5437778980 is an apocalyptic number.

It is an amenable number.

5437778980 is an abundant number, since it is smaller than the sum of its proper divisors (6375328340).

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

5437778980 is a wasteful number, since it uses less digits than its factorization.

5437778980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9375519 (or 9375517 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 58.

The square root of 5437778980 is about 73741.2976560624. The cubic root of 5437778980 is about 1758.4924871001.

The spelling of 5437778980 in words is "five billion, four hundred thirty-seven million, seven hundred seventy-eight thousand, nine hundred eighty".