534377780 has 48 divisors (see below), whose sum is σ = 1185649920. Its totient is φ = 201979008.

The previous prime is 534377759. The next prime is 534377801. The reversal of 534377780 is 87773435.

It is an interprime number because it is at equal distance from previous prime (534377759) and next prime (534377801).

It is a super-2 number, since 2×534377780² = 571119223515456800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17459 + ... + 37061.

It is an arithmetic number, because the mean of its divisors is an integer number (24701040).

Almost surely, 2^534377780 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 534377780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592824960).

534377780 is an abundant number, since it is smaller than the sum of its proper divisors (651272140).

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

534377780 is a wasteful number, since it uses less digits than its factorization.

534377780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19688 (or 19686 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 44.

The square root of 534377780 is about 23116.6126411289. The cubic root of 534377780 is about 811.4892988517.

The spelling of 534377780 in words is "five hundred thirty-four million, three hundred seventy-seven thousand, seven hundred eighty".