782277972 has 48 divisors (see below), whose sum is σ = 2097768960. Its totient is φ = 222255072.

The previous prime is 782277971. The next prime is 782277989. The reversal of 782277972 is 279772287.

It is a super-2 number, since 2×782277972² = 1223917650952865568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782277971) 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, 10978 + ... + 41049.

It is an arithmetic number, because the mean of its divisors is an integer number (43703520).

Almost surely, 2^782277972 is an apocalyptic number.

It is an amenable number.

782277972 is an abundant number, since it is smaller than the sum of its proper divisors (1315490988).

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

782277972 is a wasteful number, since it uses less digits than its factorization.

782277972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52220 (or 52218 counting only the distinct ones).

The product of its digits is 1382976, while the sum is 51.

The square root of 782277972 is about 27969.2325958364. The cubic root of 782277972 is about 921.4116529451.

The spelling of 782277972 in words is "seven hundred eighty-two million, two hundred seventy-seven thousand, nine hundred seventy-two".