1009807977 has 16 divisors (see below), whose sum is σ = 1354320000. Its totient is φ = 669262464.

The previous prime is 1009807961. The next prime is 1009808003. The reversal of 1009807977 is 7797089001.

It is not a de Polignac number, because 1009807977 - 2⁴ = 1009807961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1009807177) 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, 482349 + ... + 484437.

It is an arithmetic number, because the mean of its divisors is an integer number (84645000).

Almost surely, 2^1009807977 is an apocalyptic number.

It is an amenable number.

1009807977 is a deficient number, since it is larger than the sum of its proper divisors (344512023).

1009807977 is a wasteful number, since it uses less digits than its factorization.

1009807977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960.

The product of its (nonzero) digits is 222264, while the sum is 48.

The square root of 1009807977 is about 31777.4759381547. The cubic root of 1009807977 is about 1003.2586950385.

The spelling of 1009807977 in words is "one billion, nine million, eight hundred seven thousand, nine hundred seventy-seven".