97781035 has 16 divisors (see below), whose sum is σ = 128443392. Its totient is φ = 70869600.

The previous prime is 97781017. The next prime is 97781053. The reversal of 97781035 is 53018779.

It is an interprime number because it is at equal distance from previous prime (97781017) and next prime (97781053).

It is not a de Polignac number, because 97781035 - 2⁵ = 97781003 is a prime.

It is a super-2 number, since 2×97781035² = 19122261611342450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13990 + ... + 19780.

It is an arithmetic number, because the mean of its divisors is an integer number (8027712).

Almost surely, 2^97781035 is an apocalyptic number.

97781035 is a deficient number, since it is larger than the sum of its proper divisors (30662357).

97781035 is a wasteful number, since it uses less digits than its factorization.

97781035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6114.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 97781035 is about 9888.4293494973. The cubic root of 97781035 is about 460.6999975767.

The spelling of 97781035 in words is "ninety-seven million, seven hundred eighty-one thousand, thirty-five".