972533077 has 2 divisors, whose sum is σ = 972533078. Its totient is φ = 972533076.

The previous prime is 972533063. The next prime is 972533113. The reversal of 972533077 is 770335279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 941630596 + 30902481 = 30686^2 + 5559^2 .

It is a cyclic number.

It is not a de Polignac number, because 972533077 - 2⁷ = 972532949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972533047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486266538 + 486266539.

It is an arithmetic number, because the mean of its divisors is an integer number (486266539).

Almost surely, 2^972533077 is an apocalyptic number.

It is an amenable number.

972533077 is a deficient number, since it is larger than the sum of its proper divisors (1).

972533077 is an equidigital number, since it uses as much as digits as its factorization.

972533077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 277830, while the sum is 43.

The square root of 972533077 is about 31185.4625907649. The cubic root of 972533077 is about 990.7592302023.

The spelling of 972533077 in words is "nine hundred seventy-two million, five hundred thirty-three thousand, seventy-seven".