97002780 has 48 divisors (see below), whose sum is σ = 310410240. Its totient is φ = 22171968.

The previous prime is 97002779. The next prime is 97002781. The reversal of 97002780 is 8720079.

It is an interprime number because it is at equal distance from previous prime (97002779) and next prime (97002781).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97002781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115060 + ... + 115899.

It is an arithmetic number, because the mean of its divisors is an integer number (6466880).

Almost surely, 2^97002780 is an apocalyptic number.

It is an amenable number.

97002780 is an abundant number, since it is smaller than the sum of its proper divisors (213407460).

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

97002780 is a wasteful number, since it uses less digits than its factorization.

97002780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230978 (or 230976 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 97002780 is about 9848.9989339019. The cubic root of 97002780 is about 459.4744786181.

The spelling of 97002780 in words is "ninety-seven million, two thousand, seven hundred eighty".