1976063980 has 24 divisors (see below), whose sum is σ = 4526983440. Its totient is φ = 718568640.

The previous prime is 1976063959. The next prime is 1976063983. The reversal of 1976063980 is 893606791.

It is not an unprimeable number, because it can be changed into a prime (1976063983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4490835 + ... + 4491274.

It is an arithmetic number, because the mean of its divisors is an integer number (188624310).

Almost surely, 2^1976063980 is an apocalyptic number.

1976063980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1976063980 is an abundant number, since it is smaller than the sum of its proper divisors (2550919460).

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

1976063980 is a wasteful number, since it uses less digits than its factorization.

1976063980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8982129 (or 8982127 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 1976063980 is about 44452.9411850330. The cubic root of 1976063980 is about 1254.8746148602.

The spelling of 1976063980 in words is "one billion, nine hundred seventy-six million, sixty-three thousand, nine hundred eighty".