97770772 has 24 divisors (see below), whose sum is σ = 188758080. Its totient is φ = 43940160.

The previous prime is 97770749. The next prime is 97770779. The reversal of 97770772 is 27707779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97770779) 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, 8568 + ... + 16399.

It is an arithmetic number, because the mean of its divisors is an integer number (7864920).

Almost surely, 2^97770772 is an apocalyptic number.

It is an amenable number.

97770772 is a deficient number, since it is larger than the sum of its proper divisors (90987308).

97770772 is a wasteful number, since it uses less digits than its factorization.

97770772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25071 (or 25069 counting only the distinct ones).

The product of its (nonzero) digits is 302526, while the sum is 46.

The square root of 97770772 is about 9887.9103960341. The cubic root of 97770772 is about 460.6838788085.

It can be divided in two parts, 977707 and 72, that added together give a palindrome (977779).

The spelling of 97770772 in words is "ninety-seven million, seven hundred seventy thousand, seven hundred seventy-two".