772773081 has 8 divisors (see below), whose sum is σ = 1054326240. Its totient is φ = 503200992.

The previous prime is 772773047. The next prime is 772773151. The reversal of 772773081 is 180377277.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 772773081 - 2⁷ = 772772953 is a prime.

It is a super-2 number, since 2×772773081² = 1194356469436465122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (772773011) 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, 2995116 + ... + 2995373.

It is an arithmetic number, because the mean of its divisors is an integer number (131790780).

Almost surely, 2^772773081 is an apocalyptic number.

It is an amenable number.

772773081 is a deficient number, since it is larger than the sum of its proper divisors (281553159).

772773081 is a wasteful number, since it uses less digits than its factorization.

772773081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5990535.

The product of its (nonzero) digits is 115248, while the sum is 42.

The square root of 772773081 is about 27798.7963948082. The cubic root of 772773081 is about 917.6646348809.

It can be divided in two parts, 7727 and 73081, that added together give a palindrome (80808).

The spelling of 772773081 in words is "seven hundred seventy-two million, seven hundred seventy-three thousand, eighty-one".