260077776 has 80 divisors (see below), whose sum is σ = 808281600. Its totient is φ = 70395264.

The previous prime is 260077739. The next prime is 260077777. The reversal of 260077776 is 677770062.

It is a super-3 number, since 3×260077776³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260077777) 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, 13986 + ... + 26753.

It is an arithmetic number, because the mean of its divisors is an integer number (10103520).

Almost surely, 2^260077776 is an apocalyptic number.

It is an amenable number.

260077776 is an abundant number, since it is smaller than the sum of its proper divisors (548203824).

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

260077776 is a wasteful number, since it uses less digits than its factorization.

260077776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40776 (or 40770 counting only the distinct ones).

The product of its (nonzero) digits is 172872, while the sum is 42.

The square root of 260077776 is about 16126.9270476430. The cubic root of 260077776 is about 638.3140652917.

The spelling of 260077776 in words is "two hundred sixty million, seventy-seven thousand, seven hundred seventy-six".